bluetooth 5.0 wireless headphones bone conduction earphone outdoor sport headset with microphone handsheadsets

[bone conduction design]the sound transmits through the bone to auditory nerve, no need to put into ear, no eardrum damage, good for user to advoid ear disease and hearing losing. [comfortable to wear]smart wraparound headbands are lightweight and flexible to ensure comfort during extended wear. combined with a long battery life, this compact fit allows you to enjoy continuous music and calls for five hours at a time. [design for sports]ip56 waterproof to resist light rain and sweat for out...