Bluetooth headset system connects PC and mobile phone communications and features revolutionary Smart Sensor technology. Answer a call by putting on your headset, and when you do, it automatically updates your softphone presence so colleagues know your availability. Listen to your favorite music, podcasts or stream GPS directions on your mobile thanks to A2DP technology. With two noise-canceling mics, Audio IQ2 and PC wideband audio, the natural voice quality will impress everyone on the call. Headset offers up to 6 hours of talk time and 5 days standby. Headset connects to mobile phone and to PC with USB adapter.