SENNHEISER Binaural Pro USB Headset w/ Call Control SEN-SC260USBCTRL

Sennheiser Voice Clarity: Wideband/HD sound for both caller and listener, giving more natural conversations and improved speech intelligibility
Flexible Boom Arm: Microphone always stays in the best position
Plug and Play Experience: Smooth deployment with leading global Unified Communications solutions
Activegard: patented Sennheiser ActiveGard hearing protection technology protects users from the potential danger of acoustic shock
Direct Call Control: answer/end calls, control volume, redial and reject incoming call directly from headset