Bone Conduction Bluetooth Wireless Stereo Rechargeable Headset Black Headphones by Generic Bone conduction technology uses vibrations to transmit sound waves directly to your inner ear Bluetooth wireless connectivity compatible with any Bluetooth enabled device Free up your ears to be self aware of your ambiance and surroundings while still enjoying your music. Rechargeable built in battery for long play time and eliminate the need for constant battery changes Built in volume controls allows you to adjust the setting without having to reach for your mobile device