Wirelessly listen to the music from mobile phone and PC, enjoy the fun of music listening as much as you like Multifunctional single key operation, easy to control Separate volume control button Simple button operation, achieves multifunction without holding the mobile phone: answering/ waiting/ ending/ rejecting a phone call, volume control, etc. Auto switches to talking mode when calls incoming and continues music playing when calls ending, never miss a single call Auto connects to Bluetooth enabled devices within the range of 10 meters 6 hours max talking time, 160 hours standby time 1 X BS-309 Bluetooth stereo headsets 1 X Charger (EU plug) 1 X USB cable 1 X User manual http://www.topsellings.com/en/bluetooth-v20-stereo-headset-headphone-earphone-earbud-p9147.html