Bone conduction headphones–Works by vibrations, sound transmits via cheekbone to your inner ear.
Open-Ear design helps you stay alert to your surroundings, avoid danger meanwhile enjoy music Bluetooth 5.0 quick
Sweatproof– Ergonomic design for comfortable wearing makes sure you do sport freely and do not worry about falling out. IPX4 waterproof to resist light rain and sweat for sports.
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