[Bone Conduction Technique: Bone conduction headphones are comfortable to wear these headphones conduct sound through the air without clogging your ears ensuring you are aware of your surroundings while enjoying your music or podcast Lightweight and comfortable: The bluetooth headset is made of silicone which is comfortable to wear and reduces the pressure on your ears ensuring a comfortable snug fit for extended use 32GB Built-in MP3: The sports headphones have 32GB of space for storing more than 3000 songs and you can switch to MP3 mode by double-clicking the on/off key 10 Hours Playing Time: The wireless headphones are magnetically charged with a single charge of about 2 hours and up to 10 hours of playback time allowing you to enjoy your music for a long time even outdoors IP68 Waterproof Headphones: Swimming headphones are ready for any weather with precision seals and hydrophobic nano-coatings that protect against rain and sweat]