2.5MM QUICK DISCONNECT HEADSET : Comes with Quick Disconnect cord, users can quickly disconnect this 2.5mm telephone headset without taking it off. This headset ONLY fit Cisco SPA Cisco Linksys AT&T Panasonic Vtech Gigaset Polycom Grandstream Uniden landline phones and most cordless DECT Phones with standard 2.5mm Headset Jack. For compatibility list in details, please refer to description below. | COMPATIBLE MODELS: THIS PHONE HEADSET DOES NOT BE USED FOR MOBILE PHONES AND COMPUTERS. ONLY COMPATIBLE WITH SOME SPECIFIC HEADSETS MODELS LISTED IN DESCRIPTION. Some specific models from Cisco SPA 303, 501G, 502G, 504G, 508G, 509G, 525G, 512G, 514G, 525G2, Cisco Linksys SPA921, SPA922, SPA941, SPA942, SPA962,etc. AT&T: TL86003, TL86009, TL86103, TL86109, TL88002, TL88102, CL80109, CL82500, CL82550, CL8230, CL82309, CL82350, SynJ SB67108, SB67138, 1070, etc. | CRYSTAL CLEAR CHAT: Noise cancelling microphone headset not only ensures natural and crystal-clear communication, but reduce background noise for call centers, offices and home phones even in the noisy environment to make you feel having a face to face conversation. | COMFORTABLE & GREAT DURABILITY: Super soft leather ear cushions and durable construction ensure this lightweight 2.5mm headset to withstand the constant demands of all-day use in busy environments and leave you no pain wearing experience. | 2-YEAR WARRANTY: Guarantees your satisfaction with 45 days free replacement or full refund and 24 months warranty. DON’T BUY IT FOR MOBILE PHONES & COMPUTERS. For other phones, pls feel free to contact us for Compatibility Guide or Advice.

2.5mm Male Compatibility: This standard 3.5mm jack headphone cable can converter to 2.5mm Jack telephone, only compatible with Polycom AT&T Panasonic VTech RCA Uniden Grandstream Polycom Clarity Yealink Zultys Gigaset Cortelco landline phones and most Cordless Dect phones with standard 2.5MM headset jack. | Good Durability: This 3.5mm to 2.5mm adapter is made of durable plastic material, the cord is 9.7 inch (24.7cm) long, very lightweight. | 3.5mm Female Compatibility: 3.5mm Adapter can be connected to CTIA headphones, compatible with most standard 3.5mm jack cell phone headset, but can not be connected to OMTP headphones. (NOT COMPATIBLE WITH IPHONE HEADSET). | Plug and Play: All functions on headset and phone would function same. | Great support: This 3.5 to 2.5 adapter cable provides 45 days return for replacement or full refund and 2 year warranty.

【Don't Hesitate to Order】 Built to last, this wired headset features high-quality materials and a robust design, stand being squished, dropped and more. (45 days return for replacement or full refund and 2 year after-sales service. your satisfication is our best motivator, Any questions please contact with us.） | 【Versatile Connectivity - PC Headset with Mic】 This computer headset offers flexible connection options with 3.5mm, USB, and USB-C interfaces. Compatible with PC, Mac, tablets, iOS, Android devices, laptops, and more. This headphones is plug and play, no additional drivers are required. | 【Crystal Clear Audio & Noise Canceling Mic】 Featuring a noise-cancelling microphone and advanced Digital Signal Processing (DSP) technology, this pc headset ensures crystal-clear calls and high-definition sound quality. Acoustic Shock Protection (ASP) safeguards your hearing from sudden loud noises. Ideal for online meetings, gaming, and virtual learning. | 【Headset for All-Day Comfort】 Designed for extended wear, this lightweight pc headphones comes with soft, breathable ear cushions and an adjustable headband that fits all head sizes. The ergonomic design reduces pressure on the ears, making it perfect for call centers, offices, long workdays, gaming sessions, or online classes. | 【Built to last & Easy Inline Controls】 Headset with mic - This usb headset features high-quality materials and a robust design. Inline controls for volume adjustment and microphone mute/unmute. Effortlessly manage your calls and audio settings. The extra-long cable (6.8 feet) allows freedom of movement during extended conversations. | 【Wide Compatibility and Multi-Platform Use】 Compatible with popular communication platforms such as Skype, Zoom, Teams, and more, this headset is perfect for business professionals, remote workers, and students. It works seamlessly with Windows, Mac OS, iOS, and Android devices, providing a versatile solution for all your communication needs.

WIDE COMPATIBILITY: 【NOT for Cell phones and Computers】 This office phone headset is ONLY compatible with AT&T VTech RCA Uniden Grandstream Clarity Zultys Gigaset Cortelco landline phones and most Cordless Dect phones with standard 2.5mm headset jack. SEE MORE COMPATIBLE PHONE LIST IN DESCRIPTION. | CRYSTAL CLEAR CALLS & COMFORTABLE: 2.5mm Corded lightweight headphones with enhanced voice clarity technology to reduce unwanted background noise by noise canceling microphone. Soft and high quality ear cushions ensure comfortable wearing even for long phone conference calls. | PROFESSIONAL DESIGN: Hearing technology removes sudden loud sounds or tones before they reach your ears.This keeps the sound level in the safe range and protects the user against sudden high peaks in volume. | SUPER DURABLE: Precision design, quality plastics, uni-body headband construction, high quality microphone makes this call center headset with microphone. | 2-YEAR WARRANTY: Guarantees your satisfaction with 45 days free replacement or full refund and 25 months warranty. DON’T BUY IT FOR SMARTPHONES & COMPUTERS. For other phones, pls feel free to contact us for Compatibility Guide or Advice.

【Wide Compatibility】 Phone headsets for office phones ONLY compatible with Some Specific Phone Models from ShoreTel Plantronics Zultys Toshiba NEC Aspire Dterm Nortel Norstar Meridian Siemens ROLM Packet8. Compatible with 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. 【For full compatibility details, SEE COMPATIBLE PHONE LIST IN DESCRIPTION. ✘NOTICE：NOT for Cell phones and Computers】 | 【RJ9 Headset - Lightweight Design】 Designed with ultra-lightweight materials and soft breathable ear cushions, the telephone headset is 10%~30% lighter than other professional headsets. Its ergonomic design, including adjustable headband, ensures all-day comfort, even during extended conference calls. | 【Crystal-Clear Audio Performance】 Enjoy clear and precise conversations with our high signal-to-noise ratio speaker and independent cavity design telephone headsets. Microphone noise cancellation technology minimizes background noise, ensuring a richer, clearer audio experience. this rj9 headset also has acoustic shock protection function to protect your hearing. | 【Convenient Controls】 The headset features microphone mute and volume control, allowing for easy adjustment without interrupting your workflow. The 65-inch reinforced headphone cable provides flexible mobility, making it an ideal choice for busy professionals. | 【Durable and User-Friendly】 Designed for durability, our office phone headset features replaceable foamy ear cushions and is built to withstand the demands of daily office use. Its ergonomic design provides a snug fit and ensures all-day wearing comfort, perfect for business calls, making it an essential tool for business professionals. | ♥【Customer Support】 Rest easy with our RJ9 telephone headset support 45-Day replacement and return policy, ensuring shopping experience. Ideal for call centers, home offices, business, teleconferencing, telemarketing. Only available for landline phones with RJ9 headset connector. For other phones, please contact us for compatibility instructions.

【Crystal Clear Call】This 3.5mm headset with microphone for work has a built-in noise reduction card to clearly convey your voice and minimize the interference of external noise, helping you create as clear a call environment as possible even when you are in a noisy place, making every effort to ensure the quality of your calls. | 【All Day Comfort】Super lightweight computer headset with adjustable headband for different head sizes. 330° adjustable microphone provides you with the most comfortable positioning. Soft and breathable ear cushions ensure everyone enjoys optimal wearing comfort and long time of wear without burdening the ears. | 【Wired Controls】When you use the headset in 3.5mm connection mode, you can use the inline audio controls to easily adjust the volume, mute or unmute the microphone for easy one-touch call control. The indicator light will specifically alert you when you are in mute mode. | 【Clear Sound】The headphones with microphone for laptop use high quality speaker drivers and a built-in equalizer to minimize audio distortion. Your ears receive rich, clear sound from the speakers, just as if you were communicating with each other face to face. | 【Wide Compatibility】The computer headset with microphone is suitable for any electronic device with a 3.5mm jack regardless of brand and model, such as computers laptops mp3 and so on. No need to install the driver plug and play, unplug it when not in use. Help you free your hands during the call.