【Power Up】 Enjoy up to 6 hours of music playback. The earbuds themselves offer up to 4 hours on a full charge, and with the charging case, you can extend that to an additional 6 hours, making it very convenient and practical. 【Ergonomic Design】 Designed with an ergonomic sports design, each earbud weighs only 3.8g, perfectly fitting the shape of your ear. This provides a comfortable and secure fit without putting any burden on your ears, even when worn for extended periods. 【IPX7 Waterproof】 The IPX7 waterproof rating prevents water damage, allowing you to wash the earbuds. They are waterproof, protecting them from sweat, splashes, and sudden rain. These are the perfect sports earbuds for active scenarios like sports and exercise. 【Automatic Pairing & Memory Function】 The charging case has a built-in magnet that securely holds the earbuds in place, preventing them from being lost or dropped. Furthermore, when you take the earbuds out of the case, they automatically enter pairing mode, making Bluetooth connection easy. Simply taking the earbuds in and out of the charging case turns them on/off, and automatically activates the pairing mode with your device. 【Latest Bluetooth 5.3+EDR】 Features high-quality audio transmission within a 10-meter range. There is no sound skipping or interruptions.