Bone conduction technology, high-quality sound quality: Bluetooth sports headphones have an open design and use upgraded audio technology to bring you high-quality HiFi stereo audio through cheekbones, clear sound for a better listening experience and protect the eardrum. The latest acoustic technology can greatly reduce the leakage of natural sounds, protecting your privacy. A noise-canceling microphone reduces ambient noise to give you clear call quality.IPX8 Waterproof: The MP3 swimming headset has an IPX8 deep waterproof rating and is completely waterproof and sweatproof, so you can enjoy your favorite audio while swimming, running, cycling, training sports, and more. Note: Bluetooth connection is not supported underwater, please follow the instructions to switch to MP3 mode.Bluetooth 5.3 chip, 8 hours of music: The wireless headphones use true Bluetooth 5.3 wireless technology to provide a faster and more stable connection and bring lower latency during data transfer. With a built-in 230mAh large-capacity battery, the headphones can provide up to 8 hours of continuous playback and calls. The swimming headphones use the latest magnetic charging technology. Make sure the headphones are waterproof and can be charged quickly.Built-in 32GB RAM and Dual Mode: With 32GB of internal music storage, the bone conduction Bluetooth headphones can store thousands of songs and play them with just one click. MP3 is supported, and you can listen to it without a device. Bluetooth and local MP3 playback dual modes allow you to enjoy music anytime and anywhere without a mobile phone. Tips: Bluetooth cannot be transmitted in water.Easy control, stylish digital display: Humanized physical on design, one-handed operation, one-key control, easy management of music and calls, free hands, enjoy the fun of sports. Brand new design, intelligent digital display, display battery level and dual-mode connection status, you can know the remaining power and change the corresponding connection mode before performing different actions.