Horizon Bone Conduction Wireless Sports Bluetooth Stereo Headphones (White) Bone conduction Technology transmits sound waves directly to the cochlea by vibrations, releases ears and protects hearing. Wireless stereo headphones. connect to your cell phone via Bluetooth for music or calls Long life battery up to 8 hours in game mode and up to 15 days in standby mode. Lightweight and super flexible. The flexibility of the frame will allow people with different head shapes to comfortably wear these headphones without the fear of falling them, even doing physical exercises. IP67 waterproof grade. These headphones are not afraid of rain or even a quick shower.