Voistek Swimming Headphones,Bone Conduction Headphones Bluetooth 5.3,IP68 Waterproof Open Earphones,Built-in 32GB MP3, Wireless Sports Underwater Headphone for Swimming,Running,Cycling,Gym. 【Open-Ear Design for Safety 】Bone conduction headphones transmit sound through your cheekbones, so you can enjoy open-ear listening without compromising situational awareness.
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