Best Unlocked Phones in 2026

32 American Wire Gauge, AWG, stranded tinsel ribbon conductors to provide maximum flexibility and increased elastic memory

Made with a flexible polypropylene insulation, jacket is made with a flat flame retardant polyvinyl chloride

Modular plugs are made with clear polycarbonate UL94V and is molded with Cablesys logo, contacts within the plug are plated with 50 micro inches of gold which are resistant to corrosion

COMPATIBILITY ✅Yealink Desk Phones Series - T2x/T3x/T4xG/T4xS/T4xU/T5x/VP/Teams MP/SFB MP/Zoom-MP/Teams T5/SFB T5 ✅Poly - VVX x01/VVX x10/VVX x50 ✅AVAYA - 96xx/16xx/J1xx ✅SNOM - D3xx/D7xx/D8xx ✅Grandstream - GRP/GXP (Please check detail page)

Runs Right Out of the Box | A QD (Quick Disconnect) to RJ9 plug-and-play makes the connectivity to Yealink IP phones at ease. The phones can automatically optimize acoustic parameters for YHS office headsets, gives you optimized audio quality.

Noise-Canceling Microphone | The microphone technology for Yealink headsets allows for the most reduction of outside noise, so listeners can focus more on the desired sound at hand, the nearby talkers are protected with most call privacy as well.

Wide Compatibility: Yealink WH67 UC Headset with noise canceling microphone is compatible with Zoom, RingCentral,8X8, AVAYA, and other leading conferencing platforms. with its easy plug-and-play USB connection and great sound quality, perfect for your important work calls and meetings.

3 Ways Connect: The Headset Base connect to PC, desk VoIP phones via included USB cable, and smartphones via Bluetooth. transfer both work calls and personal calls to the wireless headset workstation.Compatible with Yealink Desk Phones: USB Phone: T4XS/T4XU/T53/T5XW/T58A/VP59; Skype for Business Phone: T48S/T56A/T55A/T58A; Teams Phone: MP54/MP56/MP58.Poly desk phones VVX 411, VVX 401/501, VVX 250/350/450; SNOM desk phones D765 D385 D735.

Crystal Speakerphone:The office wireless headset with a full-duplex speakerphone perfect work from home .if you get tired of wearing the headset, just swap it to the speakerphone and hang the headset up to charge. The audio quality out to the speakerphone is pretty good for speech or music.

INNOVATIVE ACOUSTIC SHIELD TECHNOLOGY: Yealink Acoustic Shield Technology ensures distraction-free audio quality in daily calling with a virtual shield created by multiple microphones, to ensure you've been heard clearly.

PROFESSIONAL OLE WOLFF DIAPHRAGM: The Ole Wolff diaphragm, an industry-leading professional acoustic component, provides a wider frequency response and higher sensitivity of music, enabling everyone to enjoy the full sound of originalities and fineness.

EASY CHARGING & LONG-TIME WORKING: Available for QI wireless charging, and bundle with special tailored UC Powerstation for daily powering, BH72 supports up to 40 hours of battery efficiency, covering one week's working need normally and accompanying you to fight till the last minute without power anxiety.

This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories,and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com

16 programmable buttons with dual LEDs for line or feature appearances

2 line x 24 character backlit tilt display

Item Package Dimension: 11.099999988678L X 10.299999989494W X 4.299999995614H Inches

Item Package Weight - 1.9510910187 Pounds

Item Package Quantity - 1

Single pair 24 AWG wiring up to 1,000 Ft (300 m) between door station and controller for easy new or retrofit installations

Flush or surface mount (i.e., dual gang) weather-resistant enclosure

Choose Stainless Steel or Brass Faceplate; Both are included

DESIGNED FOR MORE DESKPHONES: DON’T BUY IT FOR CELL PHONES & COMPUTERS. This RJ9 phone headset only compatible with some specific landline Phone Models in description like Polycom ShoreTel Avaya NEC Mitel Allworx Plantronics Toshiba Zultys InterTel Siemens ROLM Aastra Packet8,etc. For other phones, please feel free to consult us for compatibility guide and advice.

WIDE COMPATIBILITY:The Polycom VVX series telephone headset can be directly connected to Polycom SoundPoint 300 301 335 430 450 500 (rev. E or later) 501 550 600 601 650 670 CX300 CX500 CX600 CX700 VVX300 VVX310 VVX400 VVX410 VVX500 VVX600 VVX1500 Avaya 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 56205621 5625 9404 9406 9408 9504 9508 IP phones(Note: Not for Avaya: J139 J169 1608 1616 9608G 9611G 9620 9621G 9630 9640 9640G 9641G and 9650 IP Phones).

HIGH-QUALITY AUDIO EXPERIENCE: Made for clear calls, the call center landline headset is engineered with noise-canceling microphone and enhanced voice clarity technology, which ensure loud and clear communication for call centers, offices and home phones even in noisy environment.

This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com

Delivers high definition audio that can increase productivity by reducing fatigue and provides easier-to-understand multi-party calls through the wideband audio codec in the handset and headset

Simplifies call control on the display using soft keys for everyday functions such as transfer, conference and forwarding and to access everyday processes

Headset for Multiple VoIP Phones: BUT NOT FOR CELL PHONES & COMPUTERS. This office telephone headset with RJ9 headset jack is only compatible with some specific Landline Deskphone Models in description like Avaya Polycom ShoreTel NEC Mitel Allworx Plantronics Toshiba Zultys InterTel Siemens ROLM Aastra Packet8,etc. For other phones and models, please check them in the Product Description for compatibility list below.

RJ9 Headset Compatibility: Callez corded VoIP Phone Headset is compatible with Avaya 6402D 6408D+ 6416D+M 6424D+M 8403 8410D 8434DX 4406D+ 4412D+ 4424D+ 4424LD+ 1120 1140 1165 1210 1220 1230 1408 1416 2410 2420 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 56205621 5625 9404 9406 9408 9504 9508 DT1 DT3 DT5 QE4610 landline phones. [NOT for Avaya J139 J169 1608 1616 9608G 9611G 9620 9621G 9630 9640 9640G 9641G and 9650 IP Phones]

Comfortable for All-day Wearing: Over-the-head Binaural Wearing Style, Lightweight Plastics Design, Soft Leatherette Ear Cushions, 330°Rotatable Microphone and Adjustable Headband to fit any head size. Acoustic Shock Protection Circuit for hearing protection to make you a full working day without discomfort.

This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com

Brand: Avaya

Model: 9640G

Item Package Dimension: 9.6062992028L X 9.1732283371W X 4.6456692866H Inches

Item Package Weight - 3.03796997036 Pounds

Item Package Quantity - 1

<b>AVAYA J139 IP DEVICE</b><br /><br /><b>Cost-effective IP Device that provides Secure, Reliable, Basic Voice Communications</b><br /><br />The Avaya J139 IP Device is a cost-effective, entry-level I