Smart Bone Conducting Headphones

DESCRIPTION:Transmit sound waves directly to the cochlea by vibrations allowing you to listen to the music without blocking your ears!Listen simultaneously to your music and your sorroundings.Sound waves are transmitted at a frequency that can be conducted through the bones of the skull.Avoid damage to your ears during exercises and be aware of the surroundings situation.SPECIFICATIONS:Bluetooth Versions: 4.2Charging: Power Adapter ( DC 5v Output 150 mah )Support Protocol: The head set/handsfree/A2Dp/AVRCPStandby time: about 10 daysBattery Capacity: 220mahWireless Range: 33ft (10m)Charge Time: 2 hoursSpeaker Type: Bone conduction technology speaker, 1W dual speakerMic: Anti-interference microhpones, -40DBRecieving Sensitivity: 88dBmImpedance: 8Frequency Range: 20-20KHzSystem Language: English