Compatible with Grandstream Yealink Snom RJ9 Phone Headset Noise Cancelling Headphones HD Voice Plus 3.5mm Adapter…

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Perfect Sound Quality, HD voice audio sound quality for crystal-clear voice transmission, Acoustic shock protection to give protection to your hearing, keep the sound level in the secure range. It’s your ideal hands free ip place of business phone headset.
Enhanced noise-canceling microphone technology over ear headphones to reduce background noise. Provide max frequency response resulting in greater call clarity productivity and better service all round. Include quick Disconnect RJ9 headset adapter cable same function as U10P-S reversed bottom cable. An extra 3.5mm headphone jack cable. One more spare ear cushion in package.
Lightweight Comfortable Durable, strong plastic microphone boom 330 degree rotation enable you in finding perfect position what you wish to have, soft top quality leather ear cushion make you comfortable for all-day.
Ergonomic professional design, adjustable headband fit any head size. Adjust the headband until comfortable, gently pull the headband to slide it smoothly in or out of the toughen piece. Offer 2 years warranty against manufacturer defect and workmanship.
Work with the specific phone models listed, in case you find your phone model not here and unsure compatibility, please click to the seller iAmoy at the product page for one to one service.