TruVoice Headset Features Our TruVoice Speakers include acoustic shock protection and HD Audio Sound allowing users to hear the full conversation clearly - Perfect Solution for call center, office or homeworkers. Our TruVoice Range Include a High-Quality Noise Canceling microphone with Flexible 270-degree Rotational Microphone Boom. This helps eliminate up to 90% of all background noise when the user speaks allowing customers to hear the full conversation clearly. TruVoice headsets were designed in Europe and use the best materials available. Our design and build make the HD100 range unique and allows the headset to stand out from the competition. This range includes lightweight plastics, Aluminum design and a fully adjustable microphone meaning the user can wear the headset for a full working day without and discomfort. Our HD100 Range include breathable premium foam ear cushions as standard- perfect for all day use. Our TruVoice QD Feature allows the user to walk away from their desk while not losing the call by simply disconnecting the headset from the bottom adapter cable. This feature also allows you to use the same headset on all PC/Softphones, Cell phones with 3.5mm port and all other desk phones by simply swapping out the bottom cable. POLY Works With Poly: VVX50 VVX101 VVX150 VVX201 VVX250 VVX300 VVX350 VVX301 VVX310 VVX311 VVX400 VVX401 VVX410 VVX411 VVX450 VVX500 VVX501 VVX600 & VVX601, Soundpoint Models IP301 IP335 IP331 IP335 IP560 IP550 CX300 CX500 CX600 CX700 If your phone is NOT listed you may need a different adapter cable for it to work. MITEL Works with Mitel: 5212 5312 5320 5320e 5330 5330e 5340 5340e 5410 5420 550 5540 8528, 6910, 6920, 6930 6940, IP420, IP420G, IP480, IP485G If your phone is NOT listed you may need a different adapter cable for it to work. AVAYA Works with Avaya: 6402D 6408D+ 6416D+M 6424D+M 8403 8410D 8434DX 4406D+ 4412D+ 4424D+ 4424LD+ 1408 1416 2410 2420 4610 4610SW 4612 4620 4620SW 4621 4621SW 4622 4622SW 4625 4625W 4630 4630SW 5410 5420 5610 5620 5621 5625 9404 9406 9408 9504 9508 DT1 DT3 DT5 QE4610 Nortel T7316 T7316e T7208 If your phone is NOT listed you may need a different adapter cable for it to work. OTHERS Works With Shoretel Phones: 100 212 212K IP230 230 265 530 560 560G 565 565G 655 420 480 480G 485 Aastra Phones: 6757i 6731i 6739i 6755i ESI: All Models with Headset Port Fanvil: All Models with Headset Port Digium: All Models with Headset Port Toshiba: All Models with Headset Port If your phone is NOT listed you may need a different adapter cable for it to work.