The OEM Plantronics Voyager 510-USB Bluetooth Earset offers seamless connectivity for PC and mobile phone communications. It features revolutionary Smart Sensor technology, allowing you to answer calls simply by putting on the headset. The earset automatically updates your softphone presence, keeping your colleagues informed of your availability. Enjoy music, podcasts, or GPS directions thanks to A2DP technology, with up to six hours of talk time and five days of standby. Comes with a USB adapter and is available in black.