[Latest Bone Conduction Technology] Unlike conventional headphones, bone sound technology transmits sound via the skull bone instead of the eardrum to the inner ear. The open-ear design does not block the ear canal and frees your ears from pain and swelling. Ambient noise is not blocked, avoiding potential hazards, whether you are in a noisy park or on a busy road. [Excellent waterproofing] Achieves the highest waterproof class IP68 among similar products. You can wear the headphones while swimming, exercising or even in the rain without worrying about them being damaged. They are the ideal companion for sports enthusiasts, especially swimmers. (Please use mp3 mode when using in water, as water interferes with Bluetooth signal transmission) Bluetooth 5.3: By using the latest Bluetooth 5.3 technology, there is a lower delay, a more stable connection, a longer connection distance and lower power consumption. Whether you are listening to music or making calls, they are perfect and can also be used as a gaming headset. [Super long battery life] With just two hours charging time, you can listen to music for up to 10 hours. When not in use, they can stay in standby mode for up to ten days. So you can enjoy high-quality music for a long time during outdoor activities, travel, fitness, etc. without worrying about an empty battery. Ultimate sports experience: With a built-in 32GB memory, you can seamlessly switch between Bluetooth and MP3 mode and enjoy thousands of songs without a smartphone. The headphones weigh only 25 grams and do not put pressure on your head. You can enjoy your sports activities carefree. › See more product details Model: Size: Color: