This product is brand new and unused. I am selling it because I accidentally purchased it. [2025 Latest] [Power Up] Can play music for up to 6 hours. The earphones themselves can play for up to 4 hours on a full charge, and with the charging case, you can play music for an additional 6 hours. [Ergonomic Design] Designed with an ergonomic sports design, each earbud weighs only 3.8g, perfectly fitting the shape of the ear. It provides a comfortable fit and size, without putting any burden on 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. They are waterproof, protecting the earphones from sweat, splashes, and sudden rain. These are the perfect sports earphones for active scenes such as 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 the pairing setting mode with the device automatically starts. No settings are required for the second use, and the device will be automatically identified. [Cutting-Edge Bluetooth 5.4+EDR] Features high-quality audio transmission within 10 meters. There is no sound skipping or interruption. CVC 8.0 noise-canceling technology can reduce noise, allowing you to concentrate on listening. Technical Compliance Mark (TELEC Technical Compliance Certification Number: R210-187442), safe and secure to use.