S710 Waterproof Bone Conduction Headphones for Sports and Swimming. IPX8 Waterproof Rating: Withstands submersion beyond 1 meter, ideal for swimming and intense workouts. 8GB Internal Storage: Stores MP3 files for offline listening without needing a connected phone. Bone Conduction Tech: Transmits sound via cheekbones, keeping ears open for environmental awareness. Bluetooth 5.4 Connectivity: Ensures stable wireless connection and reliable performance during use. ENC Noise Cancellation: Reduces background noise for clear voice transmission during calls. Magnetic Fast Charging: Offers convenient and quick reconnection via magnetic USB-C port. Open-Ear Comfort Design: Ergonomic structure ensures comfort for extended wear and safety. Durable PC+ABS Build: Constructed with robust materials to ensure longevity and sweat resistance.