BLUETOOTH® stereo headphones with maximum power of 94 dB. Control buttons for volume, play/pause, forward/reverse and accepting/rejecting mobile phone calls/redial last call. Built-in microphone for answering incoming calls from a mobile phone. Built-in rechargeable battery with 10 hours of use when fully charged. USB cable, travel pouch, spare foam ear cup covers and user manual included. CE/FCC-certified.