Jabra BT620s - Bluetooth stereo headset for mobile phones, music players, PCs and other Bluetooth devices Intuitive controls let you switch quickly and easily from listening to music to taking calls. Multi-directional microphone -- is built in to the headphones to ensure optimal voice pick-up. Up to 16 hours of talk time -- and 240 hours of standby on a single charge. Up to 14 hours of music time -- provides all-day listening pleasure. Bluetooth 1.2 supporting A2DP (for music playing) and AVRCP profiles (for remote control), and headset and hands-free profiles