Bone Conduction Headphones Bluetooth 5.4, Open-Ear Wireless Headphones with Mic & Built-in 4GB MP3 Player, 15 Hours Battery Life, IP68 Waterproof Earphones for Running, Swimming & Fitnessorange

Advanced Bone Conduction Technology Safe Open-Ear DesignUtilizes advanced bone conduction technology to transmit sound through the cheekbones, keeping your ears open to surrounding sounds for safer running, cycling, and workouts.
(Note: Please use MP3 mode when swimming, Bluetooth mode is not work) ^^ Bluetooth 5.3 Stable & Fast ConnectionUpgraded Bluetooth 5.3 chip ensures faster pairing, stronger connectivity, and lower latency for smooth music, videos, and crystal-clear calls.
(Note: Please use MP3 mode when swimming, Bluetooth mode is not work) ^^ Built-in 32GB MP3 Player Phone-Free ListeningEquipped with 4GB of internal storage, capable of holding thousands of songs. Enjoy music freely while swimming, working out, or exercising outdoors without carrying a phone.
(Note: Please use MP3 mode when swimming, Bluetooth mode is not work) ^^ 15 Hours Battery Life Clear Calls with MicDelivers up to 15 hours of continuous playtime on a single charge, with a built-in high-quality microphone for reliable and clear communication on the go.
(Note: Please use MP3 mode when swimming, Bluetooth mode is not work) ^^ IP68 Waterproof Designed for SwimmingCertified with IP68 waterproof rating, perfect for swimming, rainy weather, or intense workouts. Sweat-proof and submersible, built for all sports and outdoor conditions.
(Note: Please use MP3 mode when swimming, Bluetooth mode is not work)