. Multi-device connectivity lets you manage PC & mobile/tablet phone calls from a single headset Use your voice to answer incoming mobile calls & for a host of other commands Enhanced voice alerts tell you caller name (mobile calls only) connection status talk time remaining & more Portable USB (Universal Serial Bus) Bluetooth mini-adapter can stay in your laptop port for always-ready connectivity Precision tuned triple-microphone with enhanced DSP for superior noise cancellation PC Wideband delivers heightened speech clarity providing the best possible PC audio quality Advanced Wind Smart technology provides three layers of wind protection Integrated A2DP lets you listen to streaming media from your mobile phone or tablet Automatically answers calls simply by placing on your ear Automatically transfers calls between mobile phone & headset When on a mobile or PC call softphone presence is automatically updated Eliminates accidental dialing by locking call button when headset is not worn.