Bone Conduction Open Ear HeadphoneBone conduction headphones works through vibration and transmits sound to the inner ear through the cheek bone.which solves the problem of in-ear pain. which can protect hearing from damage.Open-ear design helps you stay alert to your surroundings, avoid danger and meanwhile enjoy music. IPX8 Waterproof headphones SwimmingThe bone conduction earphones weight is only 33 grams,360 bending without deformation,have the highest waterproof rating (IPX8) and are specially designed for long-term use in water.You can wear wireless sports headphones while running,gym,cycling,surfing, swimming, or even bathing, without taking off the waterproof headphones. MP3 Player with 8G MemoryThis swimming headphones built-in 8G memory to stores approximately up to 3000 songs, Get rid of the shackles of mobile phones, even without a mobile phone, you can listen to music in 3 meters deep water. You can switch to MP3 mode when you are swimming or diving underwater. Super power savingThe charging port is magnetically designed, Very convenient,let go and charge instantly.fully charged in 1.5 ~2 hours,the swimming headphones playtime around 8 hours and 10 days Standby. Bluetooth Wireless Headset Wide CompatibleSupport bluetooth 5.0 connection for high-definition calls and built-in voice prompts. Compatibility with iPhone and Android smart phone, iPad, Mac, Tablets, PC computer, smart watch with bluetooth.