COMPATABILITY: U10PS Adapter Compatible with ALL Yealink T Phone Models, Grandstream Models: GXP1200 GXP1400 GXP1405 GXP1450 GXP2010 GXP2020 GXP2130 GXP1405 GXP2140 GXP2160 GXP1625 GXP2170 GCV and GRP Series, SNOM Models 320 360 370 710 715 720 760 820 821 870, PANASONIC KX T Models: 2070G-E 2130AP 2315 2365 2727 3110 7020 7030 7050 7052 7055 7130 7220 7225 7230 7235 7240 7250 7310 7330 7420 7425 7431 7433 7456 7451 7533 7536 7550 7565 7710 7720 7750, Ooma and Sangoma Phones. QUICK DISCONNECT FEATURE: Our TruVoice Headset range include a Quick Disconnect Connection, this feature allows customers to detach the headset away from the adapter cable so they can move away from the desk without losing the call. Quick Disconnect headsets also allow the headset user to use the same headset with any other desk phone, Computer, Softphone or Cell Phone by just simply swapping out the bottom cable. The full range of TruVoice adapter cables can be found in our online store. LIGHTWEIGHT: Die Cast Aluminum Frame for Strength & Durability but also stylish and modern in design - Maximized for all day wearing Comfort. COMFORT / SOUND : Headset Includes Super Soft leatherette ear cushions, foam cushions are available if preferred. Our Speakers include acoustic shock protection and HD Audio Sound. NOISE REDUCTION: Headset includes High Quality Noise Reduction Voice Tube with 270 degree Rotational Microphone Boom - Perfect Solution for quiet offices and homeworkers.