LED Power Display and 30+H Play TimeLED displays the power of the charging box and earbuds. When you put the earbuds in the box, the earbuds will start charging. The 500mAh battery capacity charging box can provide 5 full charges for two earbuds, and each earbud can last for 8H on a single charge. Therefore, by taking turns, you can enjoy 30+ hours of music time.Bluetooth and Stereo Sound QualityThe Bluetooth earbuds use 5.3 Bluetooth technology, the connection is clear and smooth, and the call is as clear as crystal, just like face-to-face communication. No need to worry about being interrupted when playing music or making calls.One-click pairing, convenient touchAfter the first connection, you can open the charging box to connect with the device, which is faster and more convenient. During use, you can touch any earbud to control the phone, such as music switch, volume adjustment, phone call, voice assistant, etc. No need to adjust through the phone.Designed for sportsSports headphones keep you motivated, will not shift or fall off during long training, and there are no wires to restrain you. You will not feel tired and painful when wearing for a long time. Bluetooth headphones are perfect for camping, running or exercising, even on rainy days.Waterproof ProtectionThese true wireless in-ear earbuds and charging case have IPX7-level sealing protection and nano-coating on the surface of the earbuds to prevent water and sweat penetration, and can be used as sports wireless earbuds. You can listen to music while running, working, reading, sleeping, meeting, etc.