Be truly mobile with this BluetoothÂ®-enabled headset that unifies PC and mobile phone communications. Smart Sensorâ„¢ technology provides seamless and intuitive featuresâ€”automatically answer calls just by putting on the headset, transfer calls to your mobile phone and prevent accidental dialing when not in use. Dual-mic AudioIQ2â„¢ DSP technology cancels noise while retaining the natural sound of your voice. BluetoothÂ® mini USB adapter can stay in your laptop port for always-ready connectivity. A2DP technology streams audio for music, podcasts and GPS navigation. Enhanced voice alerts announce remaining talk time, connection status, battery level and mute.