About this item Bluetooth 5.4 & Auto Pairing: The Bluetooth 5.4 chip ensures that the headphones connect quickly and stably within 15 meters. After pairing the devices for the first time, the headphones will automatically connect when you take them out of the charging case. Comfortable Design & IPX6 Waterproof: These sport wireless earphones are ergonomically designed to provide a snug fit while ensuring fatigue-free and long-lasting comfort. The flexible earhooks fit your ears securely without falling out, even during intense workouts. The eartips are available in 3 sizes (S/M/L) for a customized fit. The IPX7 waterproof design protects your wireless headset from sweat and splashes, making them ideal for sports, gym sessions, workouts, hiking, and more. 60 Hours Playtime & Stereo and Mono Mode: Enjoy an impressive 8 hours of listening time on a single charge, with a total of 60 hours of uninterrupted music playback. The wireless headphones can seamlessly switch between stereo and mono