About this product: 【Power Up】 Can play music for up to 6 hours; the earphones themselves last up to 4 hours on a full charge, and with the charging case, you can enjoy an additional 6 hours of music playback. 【Ergonomic Design】 Adopting a sports design based on ergonomics, each earbud weighs only 3.8g, perfectly fitting the shape of the ear, providing a comfortable fit and size, without burdening the ears. You won't feel the weight even while wearing them, and you can use them comfortably without worrying about them falling out while moving. 【IPX7 Waterproof】 IPX7 waterproof prevents water ingress, allowing you to wash them and protecting the earphones from sweat, splashes, and sudden rain. These are the perfect sports earphones for active scenes like sports and exercise. *Note: The charging case is not waterproof. 【Automatic Pairing & Memory Function】 The storage section of the charging case is equipped with magnets, which securely hold the earphones when stored, eliminating the worry of losing or dropping them. Furthermore, when you take the earphones out of the case, they automatically enter pairing mode, allowing for easy Bluetooth connection. Simply taking them out of or putting them into the charging case turns the power ON/OFF and automatically activates the pairing setting mode with your device. No settings are required for the second use, as the device will be automatically recognized. 【Cutting-Edge Bluetooth 5.3+EDR】 Features high-quality audio transmission within 10 meters. There is no sound skipping or interruption. CVC 8.0 noise-canceling technology reduces noise, allowing you to concentrate on listening. Technical Compliance Mark