**********Perfect Sound Quality, HD voice audio sound quality for crystal-clear voice transmission, Acoustic shock protection to protect your hearing, keep the sound level in the safe range. Its your ideal hands free ip office 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 3.5 mm headphone jack cable. One more spare ear cushion in package.
*****Lightweight Comfortable Durable, strong plastic microphone boom 330 degree rotation enable you to find perfect position what you want, soft high 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