The Voyager Legend UC was designed to provide the convenience of one headset for use with multiple devices - PC, smartphone or tablet. The Bluetooth mini USB adapter can stay in your laptop USB port for always-ready PC connectivity or can be stored in the included portable charging case. Industry-first Smart Sensor technology lets you quickly take a call without a click - it senses when you put on the headset and automatically answers PC or mobile calls while softphone presence is automatically updated so colleagues know when you are available.;;A newly added voice command menu lets you use your voice to answer calls, check battery level, redial, put headset in pairing mode and for a host of other headset commands. Caller Name Announcement (mobile only) tells you who is calling without needing to glance at your mobile phone while enhanced voice alerts announce remaining talk time, connection status, battery level and mute, enabling you to work smarter. Integrated A2DP lets you listen to streaming media from your mobile phone or tablet. Wind smart wind filtering and PC Wideband ensure maximum clarity for your microphone. This model is optimized for Microsoft Lync. If you want an all-in-one headset solution, the Voyager Legend UC is the right choice.