Product model: -8 hoursCharging time: 2 hoursStandby time: 300 hoursProduct accessories: Headphones * 1, Charging data cable * 1, User manual * 11.Open-ear bone conduction allows you to be aware of your surroundings and things while wearing it.It is safer and cleaner than traditional in-ear headphones and reduces ear strain to prevent hearing damage.2.IPX8 waterproof rating for underwater work, suitable for swimmers and allows you to wear both types of swimming cap and goggles, it is also suitable for running, cycling, fitness etc.to resist sweat and rain.3.Built-in 32 GB memory, Connect your computer and headphones with the included magnetic charging cable, Store your favorite music on your headset device.In MP3 mode, you can enjoy music anywhere, anytime without connecting your phone or other devices.4.Equipped with Bluetooth 5.3 chip, which greatly improves communication speed.Communication distance and stability, giving you a beautiful music experience.(Tips: Bluetooth cannot transmit underwater, please use MP3 mode to play underwater)5.Using memory titanium alloy, free folding without deformation, ergonomic design, long time to wear without discomfort.The large capacity battery can play for 8 hours, wearing open ears allows you to even enjoy music without interruption during long working or driving hours.