BONE CONDUCTION TECHNOLOGY - The sound transmits through the cheekbones to the auditory nerve, no need to put bone conduction headphones into gear, and can enjoy music while avoiding danger. WATERPROOF HEADPHONE - IP55 waterproof technology of bone conducting headphones wireless can resist light rain and sweat. WIRELESS EARBUDS WITH LONG LIFE BATTERY - This bone conduction headphones waterproof has a built-in 200m Ah rechargeable lithium battery. Bluetooth earbuds have standby time for up to 10 days, continuously working time for 6 hours. QUALITY SOUND - Bone headphones conduction has built-in anti-interference HD microphone, bidirectional fidelity, improves audio output performance, restores the real human voice. Bone conducting earphones support 33 feet barrier-free voice call transmission. CONVENIENT - Open ear wireless headphones are compatible with any Bluetooth-enabled device. Bone conduction earphones have dual noise-canceling microphone that enhances speech.