ITEM NAME:Waterproof Bluetooth 5.0 Bone Conduction Headset Sport Wireless Earbud img *{margin:0;padding:0;.Bone Conduction - Bone can transmit sound. The skull vibrates, sending the sound to the inner ear, which can also be heard. IP55 Waterproof: The bone conduction headset is resistant to sweat and rain, making exercises freely.
