Headphones Noise control:Isolation acoustic Components included for headphones:Pads Headphone Features:Noise Isolating 1368040828459493-2085677607696869 [Bone conduction headphones] uses 100% bone conduction sound technology, which transmits clear sound to the user's cochlea through the temporal bone. There is no need to insert the ear. Compared with other open headphones, they have significantly less sound leakage. [Open headphone design] Open bone conduction headphones allow you to perceive the sound of your surroundings. You can be aware of your surroundings while enjoying music, thereby improving the safety of your use, especially for outdoor sports lovers. [Bluetooth mode and TF card mode] This Bluetooth bone conduction headset supports Bluetooth 5.3 playback or local TF card music storage and playback. It has a built-in 32GB storage space to store up to 8000 songs, which can be played with just one click of the button. Support MP3, WAV, WMA, AAC and FLAC. [IPX8 Waterproof] The swimming MP3 player is completely waterproof and sweatproof, allowing you to enjoy your favorite music during swimming, running, cycling, etc. It can be soaked in water up to 1.5 meters deep for 2 hours. (Note: Please use TF card mode when underwater). [9 Hours of Music Battery Life] It features 9 hours of battery life (TF card mode + medium volume) and simple button functions such as play, pause, previous track, next track and answer calls. It is widely used in music, swimming, running, hiking, cycling, training, fitness and other sports. The built-in noise reduction microphone makes the call clearer.