Best Shoulder Muscle Stimulators in 2026

Buttons are clearly labelled with words like "Neck", "Shoulder","Back", "Elbow", "Hip", "Ankle","Knee", "Foot/Hand", "Wrist",not "Pulse-Width", or "Waveform." The large LCD display with new featured backlight shows you at a glance exactly what you need for your targeted area, including the type of massage"Knead, Acu (Acupuncture), Tap, Cupping, Scraping (Gusha),Random" and the time left on the cycle.

New Features: 15 modes, easy to select the right button to help pain relief, belt clip makes it portable. High Intensity - 4 outputs can output the same 20 levels of intensity, no matter you use 1 output or 4 outputs at the same time without dividing the strength by 8 pads.

Effective - 9 Auto Stimulation Programs, Fully-adjustable Speed & Intensity, 6 Selectable Massage Settings, High-Frequency Pulses to Provide Pain Relief. -THE PACKAGE INCLUDES: 1 control unit; 4 sets of dual leads wires; 4 pair of inserted pin electrode pads (8 pcs pads); 1 pads holder 3 AAA batteries; 1 Application placement chart; 1 User Manual

Professional TENS Machine. The AUVON Electric Massager can excite / stimulate the sensory nerves and muscles, activate specific natural pain gate mechanism, relax your body and have pain management anytime you feel the need with our medical grade TENS electrotherapy pulse massager and accessories.

TENS Pads with Upgrade Gel. The Low impedance Solid Gel has been upgraded to the industry leading adhesive, which can provide much better self-stick performance and easy clean up after maximum 45 uses for longer lifespan. You may also find it quite easy to find compatible electrodes (2mm pigtail tens unit pads) on the market for you to choose from.

Upgrade 24 Choices for Pain Relief. AUVON electronic TENS device has as many as 24 user-friendly pre-promgrammed massage modes and adjustable timing, making it much easier to use than other traditional electric therapy products which may need you to set the pulse frequency and duration of each pulse manually. (The 24 sub-mode choices selection is under the 6 massage modes.)

NEED PRESCRIPTION STRENGTH PAIN RELIEF? A TENS unit muscle stimulator and electric massager that provides pain relief, acts as a muscle massager or shoulder massager, provides carpal tunnel relief, and acts as a muscle relaxer(great for muscle recovery)

OVER 1M TENS 7000 DEVICES SOLD: A consumer over the counter favorite back pain relief device and a leader in physical therapy equipment for providing immediate and lasting drug-free muscle pain relief from back pain, neck pain, tennis elbow, and bursitis

A LEADER SINCE 2008: A 10+ year favorite TENS device among medical professionals for delivering drug-free back pain relief as well as treating common ailments like neck pain, carpal tunnel relief, arthritis, shoulder, knee, elbow, leg and foot pain, Each mode changes settings to accommodate different types of pain, such as acute and chronic.

PROFESSIONAL PAIN RELIEVER TENS UNIT - Clinically-proven, natural and effective tens device for easing pain without requiring the user to take medicine for problem areas such as the back, joints, neck, knees, shoulders, ankles, legs, wrists, and elbows. Enjoy relaxing massages with a FDA cleared tens machine.

UPGRADED TENS UNIT PADS - The Low impedance Solid Gel has been upgraded to the industry leading Japanese adhesive, which can provide much better self-stick performance and easy clean up and longer lifespan. Standard snap connector lead wires & electrodes are classic and commonly used in medical area, which makes it easier for you to find compatible accessories.

16 PRE-PROGRAMMED MODES/INTENSITY ADJUSTMENT Our versatile muscle stimulator tens unit delivers 16 different massage modes and 20 strength levels. The ems unit modes range from Shiatsu/Deep Tissue to Low Intensity with Kneading/Knocking, Cupping, Acupuncture, and Tapping as other options.

Pain Relief Machine. The rechargeable electric muscle massager can stimulate the sensory nerves and muscles, activate specific natural pain gate mechanism, relax your body and have pain management anytime you feel the need.

Up to 20 Modes. Pre-set modes offer you hammering, kneading, shiatsu and more choices to help relieve pain associated with aching and fatigue muscles in the shoulder, low back, knee from exercise, normal household or work activities.

Independent Mode Control. You can set separate modes and intensities for channel A and channel B. For example, you could choose Acupuncture mode in channel A with an intensity level of 5 for your shoulder. While in channel B, the Tapping mode is being run with the intensity set to level 12 on your lower back as a back electric stimulator.

Intended Use of TechCare Massager: To be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, upper extremities and lower extremities due to strain from exercise or normal household work activities.

Features: FEATURES: 24 massage modes, includes stimulation of Tapping, Acupuncture, Deep Tissue, Foot, Cupping and Combo. Adjustable 10 to 60 minutes timer by using " T " button, press and hold the "M" button to go to the other modes faster. Rechargeable internal lithium battery. Up to 20 hours continues use. A-B Output will allow you to use it as 2 separate users.

Pain Relief: Stimulates the muscles in order to improve and facilitate muscle performance hence help with the pain relief

WHAT IS NUEMEDICSTENS 24? - NueMedics Tens 24 - It is a combination of TENS and PMS device, drug free method of pain relief used by Physical Therapists and prescribed Doctors for over 40 years. NueMedics Tens unit delivers low-voltage pulses to the skin to stimulate nerve fibers effectively blocking the pain signal to your brain. Also increases natural endorphins (a natural pain reliever). There will be NO need for pain pills ANYMORE!

USER FRIENDLY - Modes are clearly labelled as "Neck", "Shoulder","Back", "Elbow", "Hip", "Foot/Hands", "Knee", "Joint", "Acu", "Knead", "Tap", "Random" The large LCD display with new featured backlight shows you at a glance exactly what you need for your targeted area.

WHAT IS INCLUDED ? :1x NueMedics Tens 24 Controller, 6 Large Electrodes ( Pads ), 2 Electrodes Cables, User's Manual, Usb and Wall Charger, 1x Pad and Wire Holder, 1 Treatment Points Chart they all come with LIFE TIME LIMITED WARRANTY

Multifunctional Tens Massager with 24 Preprogrammed Massage Modes for Pain and Muscle Relief. TENS unit help relieve pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities(leg) due to strain from exercise or normal household work activities. Electric massager is also intended to be used to stimulate healthy muscles in order to improve and facilitate muscle performance.

Non Invasive, Non Drug Choice for Relieving Pain. Great Device You Can Use at Home for Pain Management. If you want to relieve pain, just trying Belifu TENS massager. It is with human body simulation technology, microcomputer intelligent control technology, simulates a variety of massage methods. Help for relieving pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), and lower extremities(leg) due to strain from exercise or household work.

A/B Dual Channels Tens with 24 Modes, 20 Levels Intensity and Time Control. Relax Any Time Anywhere with Pocket Size! You can operate it with different intensity settings for each channel. With portable size, it can be used in the office, car or travel on the go. Total body relaxation: use for back, knee, shoulder, ankles, wrist and elbow and make this the most powerful weapon for your body relax.

💗PAIN RELIEF AT HOME: Easy@Home Pulse Massager Tens Machine relieves Back pain, Knee pain, Muscle Soreness, Stiffness, and Chronic Pain for Shoulder, Waist, Joint, Arm, Leg and more. For OTC home use, pain relief therapy. Proven natural method to relieve pain without medicine by releasing endorphins and blocking pain signals.

💗PORTABLE/EASY USE: Large LCD screen shows type of massage "Massage, Beat, or Knead" and time is left in therapy cycle. It's fully automatic! Programmatic Patterns of Stimulation; 6 Auto Procedure Options; 10 Intensity Levels; Adjustable Pulse Stimulation Speed.

💗INDEPENDENT DUAL CHANNELS - Operate Electric Massager using 2 Channels Simultaneously on different body parts with different intensity and mode options.

Drug-Free Pain Relief. This TENS unit muscle stimulator can stimulate the sensory nerves and muscles, activate specific natural pain gate mechanism, relax your body and get immediate muscle pain relief anytime you feel the need!

Over 1M TENS Device and 20M Electrodes Sold: A leader in physical therapy equipment and accessories for providing immediate and lasting drug-free muscle pain relief from back pain, shoulder pain, neck pain, waist pain, knee pain. (36-month worry-free services and lifetime technical support provided)

Straightforward Operation. Modes are clearly labeled on the front of the device along with easy-to-select buttons with body area like "NECK", "SHOULDER", "BACK" and therapeutic technique like "KNEAD”, “ACU (Acupuncture)”, “TAP”. Choosing a TENS mode cannot be easier!

TENS: "Transcutaneous Electrical Nerve Stimulation"- a non-invasive, drug free method of pain relief used by Physical Therapists and professional Doctors for over decades. By delivering stable pulses to the skin to stimulate nerve fibers, Tens unit could effectively block the pain signal to people’s brain. At the same times, increases natural endorphins, which is a natural pain reliever. In many cases, the reduction or elimination of pain lasts longer than the actual period of stimulation

EMS: “Electrical Muscle Stimulation” is an internationally accepted and way of treating muscular injuries. It works by sending electronic pulses to the muscle needing treatment; this causes the muscle to exercise passively. When the muscle receives this signal it contracts as if the brain has sent the signal itself. As the signal strength increases, the muscle flexes as in physical exercise. Then when the pulse ceases, the muscle relaxes and the cycle starts over again.

iStim EV-805: Rechargeable Digital TENS EMS combo stimulator comes with 4 channels, 5 TENS modes, 3 EMS modes and 24 preset programs, sending comfortable impulses through the skin that stimulate the nerve fibers in the treatment area. Effectively Block the pain signal to your brain! Highly effective stimulation helps for treating chronic or acute pain (e.g. shoulder tension, back pain, arthritic, knee pain) and provides muscle relaxation and muscle strengthening.

POWERFUL THERAPY: 2 times the power (compared to the OMRON Pocket Pain Pro TENS unit) makes it simple to find the right pain relief for multiple body areas

CUSTOMIZED CONTROL: 6 body pain modes (shoulder, lower back, arm, foot, leg, joint) and 3 massage-like modes (rub, tap, knead), each with 15 adjustable levels of power intensity to help relieve your pain

TENS TECHNOLOGY: Scientific theory suggests that TENS technology blocks the pain signal from reaching the brain, increases blood circulation to targeted areas and stimulates your body’s natural painkillers

♠Universal Compatibility: This TENS electrodes pads are compatible with industry-standard 3.5mm snap connectors. Compatible with following Brands EliKing - HealthmateForever - HiDow - IQ Massager - Irest - iSmart - Magic Massage - Magic Masseuse - MassagePod - Palm Massager - Pinook - Smart Relief - (Does NOT fit Omron TENS units!)

♠REUSABLE: This TENS electrodes pads can be used multiple times for optimal relief from discomfort. Simply use the resealable package to keep your pads fresh and clean.

♠Superior Self-adhesive: This premium TENS replacement pads ensure a firm and comfortable attachment to your back, chest, leg, shoulder and arms, knee or sciatic nerve with ease!

Pain Relief — eXuby TENS Unit is a noninvasive method for relieving pain — Significantly increasing a person’s quality of life by allowing them to have quick access to pain relief throughout the day from sore muscles, stiff shoulders, chronic hip / lower back pain, carpal tunnel syndrome, sciatica, poor blood circulation and more

30 Palm Pads Included — Our TENS Unit’s palm-shaped pads uniquely go beyond the traditional square pads. Our product come with 30 premium and reusable pads - The palm-shaped pads simulate the powerful touch and intensity of a physical therapist’s hands on your back, shoulder, and other body parts

Easy to Use — eXuby TENS Unit is a powerful pain relief solution built for use on the go and at home - Our ultra-portable TENS unit brings 16 preset massage modes, no programming needed, and multiple intensity levels to adapt to your specific pain management needs. eXuby TENS unit accomplishes this by sending electrical pulses across its 5-Foot wires and through the skin to activate your body’s natural painkillers

【LARGE LCD TENS DEVICE】: Our TENS unit with Large LCD screen give you a much easier reading and operating experience! This TENS EMS machine with enlarged icons and buttons makes it easier for elders to read and operate the massager. With portable size, it can be used in the office, car or travel on the go.

【MULTI-FUNCTIONAL WITH 24 MODE】: This muscle stimulator with 24 TENS EMS combination modes and 36 level intensity, which can simulate 6 massage functions separately: Kneeding, Acupuncture, Scraping, Tapping, Shiatsu-Deep, Cupping. CESLIFF TENS EMS unit stimulate pain sensory nerves through electricity pulse wave to relieve body pain and muscle aches and also can effectively help build muscles!

【INDEPENDENT A/B DUAL CHANNELS】: You can set separate modes and intensities for channel A and channel B according to your specific body part condition. Relax Any Time Anywhere with Pocket Size! Use TENS machine to reduce pain and muscle spasms for back, knees, shoulder, ankles, wrists, and elbows, and make this the most powerful weapon in your fight against chronic pain!

TENS: "Transcutaneous Electrical Nerve Stimulation"- a safe, non-invasive, drug free method of pain relief used by Physical Therapists and professional Doctors for over decades. By delivering stable pulses to the skin to stimulate nerve fibers, Tens unit could effectively block the pain signal to people’s brain. At the same times, increases natural endorphins, which is a natural pain reliever. In many cases, the reduction or elimination of pain lasts longer than the actual period of stimulation.

iSTIM EV-820: Digital TENS stimulator device comes with 2 channels, 5 TENS modes and 12 preset programs, sending comfortable impulses through the skin that stimulate the nerve fibers in the treatment area. Effectively Block the pain signal to your brain! Safe and highly effective stimulation helps for treating chronic or acute pain (e.g. shoulder tension, back pain, arthritic, knee pain) and provides muscle relaxation and muscle strengthening.

Japanese electrode pads: High-grade, and biocompatible SEKISUI Japanese gel, which facilitates efficient conducting of the electrical stimulator’s current to the patient’s skin in a dispersed manner. 100% SEKISUI Japanese Gel is the harmless ingredients and the best fit for even sensitive skin users. Use the iStim EV-820 with our best electrodes, making your every pain relief treatment more effective with perfect and comfortable experience [NOTE: DO NOT USE Extra Electrode Gel]

❤️【INDEPENDENT 4 CHANNELS】: You can set separate 24 modes for channel 1,channel 2,channel 3, channel 4 with 30 level Intensity and Time Control. Relax any time anywhere with pocket size! it can be used in the office, car or travel on the go. Use TENS unit to reduce pain and muscle spasms for back, knees, shoulder, ankles, wrists, and elbows, and make this the most powerful weapon in your fight against chronic pain!

❤️【MULTI-FUNCTIONAL WITH 24 MODE】: Multi-functional Tens massager with 24 preprogrammed massage modes, 30 level intensity for pain and muscle relief. TENS unit help reduce pain and muscle spasms caused by a wide range of conditions including: arthritis, period pain, knee pain, neck pain, back pain, sports injuries. Belifu Muscle Stimulator is a powerful weapon in your fight against chronic pain.

❤️【UP TO 20 HOURS USE】:A built-in powerful rechargeable lithium battery provides up to 20 hours of continuous use. It can be connected to wall charger, power bank or laptop USB port to charge. The rechargeable TENS unit means you don’t need to worry about those dead AA batteries anymore! With battery level indicator remind you charge timely.

Includes EMS Electro Stim.... Rehab your muscle injury. Combo TENS unit muscle stimulator and EMS muscle stimulator that will provide pain relief and rehab your muscle injury via this TENS unit muscle stimulator and electric muscle stimulator machine

Get instant pain relief.... TENS unit provides muscle pain relief for back pain, neck pain, shoulder pain, sciatica pain relief, and more. An electric muscle massager from the maker of the TENS 7000 and TENS 3000, a leader in back pain relief products

From The TENS 7000 Maker... Roscoe Medical has over 10+ years providing back pain relief devices to consumers for drug-free pain relief. Trust our TENS units to get you back on the job or back on your feet, perfect for muscle recovery or pain relief

IDEAL FOR PAIN MANAGEMENT: TENS (transcutaneous electrical nerve stimulation) is a highly effective form of low current electrotherapy that stimulates muscles and nerves, improves joint mobility and improves your mood.This form of electronic pulse massage is perfect for people who need pain management from a sports related injury or natural wear and tear.

PRESET PROGRAMS: Features preset massage programs based on how each muscle group responds differently to various electronic pulses. Once you’ve selected a massage program, you can find the setting that feels best. You have full control of the pulses to ensure that you’re getting the desired results.

CUSTOMIZABLE MASSAGE: In addition to the preprogrammed massages and adjustable speeds and intensity, you can choose between the “Massage,” “Beat,” or “Knead” settings. These modes control the rhythm and sensation of your electrotherapy session.

Pain and Muscle Relief. TENS can help reduce your pain and muscle spasms caused by many conditions, including: neck pain, back pain, knee pain, arthritis, period pain and sports injuries etc. EMS brings elicitation of your muscle contraction using electrical impulses and activates the muscles to assist in the increase of strength and endurance as a rehab and strength training tool.

Bigger Battery, 2X Battery Life. The rechargeable TENS unit has a large 300mAh lithium battery to last up to 40h standby time, which beats other TENS EMS units with 180mAh by twenty hours. No worries about usage interruption for dead AA batteries or low power anymore. (This electric muscle stimulator machine can be connected to your wall charger, power bank or laptop with our included Type-C to USB cable)

Dual Channel TENS Machine with 24 Modes and a Smart Timer. It's dual channel, allowing you to use it on two body areas with different intensity, using up to 4 pads. This physical therapy equipment provides 24 modes and is upgraded to include steady wave modes. The new timer offers a flexible time setting from 10 to 90 minutes as well as a continuous mode for uninterrupted muscle pain relief.

BENEFITS: Excellent for Pain Relief, Muscle Performance and Recovery. May Reduce Lactic Aid & Increase Muscle Strength.

FEATURES:The iReliev Strength & Recovery System Combines TENS & EMS: Features 8 Pre-Programmed Therapy TENS Modes and 6 EMS Modes Allowing you to Customize Your Therapy Based on Acute or Chronic Pain, Arthritis. Or EMS for Strength and/or Workout Recovery. Use P8 for Arthritis. RX Equivalent Output Intensity Offer 25 Levels.

ARTHRITIS: Use TENS P8 Mode for Arthritis Symptoms

PROFESSIONAL PAIN RELIEF MACHINE: The electronic tens device brings non-invasive pain-relief method for home uses. 24 pre-programmed massage modes provide precise control for pain relaxation and soothing muscle stiffness, just as a real human massage does. Small electrical impulses delivered through electrodes alleviate back, neck, shoulder pain, help treat sports injuries, arthritic or inflamed joints, shoulder tension.

REAL AB DUAL CHANNEL: Comparing with other dual channel TENS massagers which can’t change modes separately, this rechargeable electric muscle massager can set separate modes and intensities for channel A and channel B, thus you are able to customize each channel independently and use it even for 2 persons simultaneously to relax with preferred modes.

MEMORY FUNCTION & ACCIDENTAL TOUCH PREVENTION: NURSAL electronic TENS device save your time! Thanks to the exclusive function, NURSAL nerve stimulator remembers and sets the massage mode you have applied last time in a flash. Accidental touch prevention function is used to prevent any unintended adjustments during the use. What’s more, 10-60 minutes timer allows setting a time limit.

24 Modes (TENS+EMS) & Steady Pulse - The 24 pre-programmed tens unit muscle stimulator Adapts Transcutaneous Electrical Nerve Stimulation technology which is clinically proven for safe and effective pain relief, and Electrical Muscle Stimulation) uses electrical impulses and activates the muscles to improve and facilitate muscle performance, providing precise control to alleviate body soreness and muscle fatigue. The first 2 sub-modes provides steady and constant muscle stimulation

Memory Function– NURSAL TENS machine remembers and sets the massage mode you have applied last time without selecting your preferred modes again and again when power on. What’s more, long press the home button to activate the screen lock function, it helps to prevent any accidental touch during the use, thus it enables a muscle relaxing time for your own.

Adjustable 20 Intensity Levels & Timer – NURSAL rechargeable TENS unit - equipped with 20 adjustable intensity levels - allows you to customize the frequency of the electrical impulses to fit your needs. Timer function lets you set an operating time limit (10-60 min), the default setting is 20 minutes. The timer indicator would keep you aware of the remaining time. With a built-in powerful rechargeable lithium battery, never worry about the suddenly power off!

RECHARGEABLE TENS UNIT: Built in powerful rechargeable lithium battery-- ohuhu muscle stimulator with electrodes pads can up to 8-10 hours of continuous use. the power indicator would keep you aware of the remaining battery life. no longer have to worry about interruption of treatment due to the ems stimulator lack of electricity!

24 MODES, 2 OUTPUTS, ACUPOINT MAP: No matter the type of relief you are looking for like Tuina, Acupuncture, Cupping and more, the 24 diverse setting modes tens ems unit are sure to satisfy any pain relief needs you may have. Additionally, 2 outputs allow you to massage multiple body parts. Acupoint map for precision massage is better to help treat back leg arm knee pain, arthritis or inflamed intervertebral discs joints, shoulder tension and muscle pain relief.

16 ELECTRODE TENS UNIT PADS: Simply stick the self-adhesive rechargeable electronic pulse massager with reusable pads on the desired area and you are ready to get relaxed. wherever you are at home or on travel. To achieve the best treatment, these small tens unit muscle stimulator with electrodes pads are designed into 3 pairs of palm-shape pads, 3 pairs of oval shape pads, and 2 pairs of button pads to tackle different body parts.

Tens technology: Utilizes Transcutaneous Electrical Nerve Stimulation (TENS) technology used by physical therapists and chiropractors for more than 40 years

Personalized therapy: 3 pre-set body pain programs (Arm/Shoulder, Lower Back and Leg/Foot) and 2 massage-like modes (Knead and Steady) each with 10 adjustable levels of power intensity to help relieve muscle and joint pain almost anywhere

Portable tens unit muscle stimulator: Small, portable, easy-to-use, and can be used anywhere discreetly

A/B DUAL CHANNELS TENS: You can set separate modes and intensities for channel A and channel B, the TENS machine last memory function will remember your preference of mode setting. Relax your body and relieve general body pain anytime with NURSAL electrotherapy muscle stimulator pulse massager and accessories.

UP TO 24 MODES: NURSAL electric stimulator physical therapy comes with pre-promgrammed massage modes,like knead, acupuncture, beat, cupping, scraping and taichi. The mode1&2 of electrodes muscle stimulator are stable pulse modes which not fade in and out, perfect to use when doing household work.

GET IMMEDIATE PAIN RELIEF: If you are suffering from pain and muscle soreness caused by conditions like neck/ back/ shoulder/ elbow/ knee pain, arthritis, sciatica, nerve pain, joint pain, period pain, sports injuries, you can use NURSAL portable tens device to get pain relief and pain management.

💘TENS EMS MACHINE: Easy@Home Electric Tens Massager is designed for Pain and Muscle Relief.The unit is a reliever to pain of vagus nerve back knee hip joint shoulder and the menstrual pain.Drug-free alternative to relieve pain & tension. EMS modes on this machine stimulate muscles and improve muscle performance. Whether you travel, are sedentary for long periods of time, or need to enhance your blood circulation, the Estim helps with local blood circulation in lower extremities.

💘A/B DUAL CHANNELS FOR PAIN RELIEF: With 20 intensity and time control.You can operate it with different intensity,mode and time settings for each channel.4 pcs Electrode Pads included are reusable for about 30 times. (Replacement pads sold separately).

💘RECHARGEABLE and POWERFUL: With 16 Auto modes Options(7 EMS, 5 TENS, 4 TENS & EMS) and 8 massage types (such as massage, kneading, acupuncture), the portable and compact-size unit provides the best pain relief and therapy for back pain, knee pain, and much more. This electrotherapy device requires a full charge before first use. Once charged, the rechargeable lithium-ion battery provides this professional unit the long-lasting power.

Electrotherapy Stim Machine... Drug-free pain relief with no side effects, TENS machines are physical therapy equipment that can help reduce & relieve muscle & joint pain without the side effects associated with medications. Immediate muscle pain relief.

Prescription Strength Pain Relief... InTENSity TENS Machines lets you use 2 or 4 electrode pads to get the most benefit from your electrotherapy sessions. Large buttons & display make this TENS unit simple to use and leading back pain relief devices

Electric Massager TENS Unit... A dual channel tens device with pre-set body part specific programs. The TENS machine includes back pain relief mode, neck pain relief mode, shoulder massager pain relief mode, and leg/arm & foot pain relief modes.

Versatility TENS Machine: The TENKER massager machine combines 24 pre-programmed massage modes, provide precise control to relieve muscle pain and alleviate body soreness. And the Tens therapy machine built-in rechargeable lithium battery ensures continuous use up to 24 hours! Moreover, the muscle stimulator have 20 adjustable intensity levels which penetrates muscle groups deeper than human hands can.

Steady Pulse Function: We found many guest wish to own a tens massager with a continuous pulse setting, so in this tens device mode1&2 are provides steady constant pluse and you could experience the constant massage feeling. (Long press the 'M' button and hold 4 seconds to switch between 6 main modes, short press the 'M' to choose within built-in 4 modes of each main mode.)

2 Independent Outputs: Set different modes for each channel and use them for 2 different body areas, or by 2 people simultaneously. Electrode pads are reusable and provide reliable adhesive properties, thus it sticks easily to your skin, back, shoulders and other body muscles. (Short press the round center button to switch between A/B channels.)

2 in 1: iReliev TENS + EMS Combination Unit Combines Two Therapies in 1 device.

WHAT IS TENS?: Stands for "Transcutaneous Electrical Nerve Stimulation"- a safe, non-invasive, drug free method of pain relief used by Physical Therapists and prescribed Doctors for over 30 years. The iReliev Bundle delivers low-voltage pulses to the skin to stimulate nerve fibers effectively blocking the pain signal to your brain. Also increases natural endorphins--a natural pain reliever. You can say GOODBYE to those pain pills that have been dulling your life!

14 Therapy Modes: 7 TENS Pain Relief Modes, 1 Arthritis TENS Mode & 6 EMS Muscle Strength & Recovery Modes