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, they 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 snugly fit your ears without falling out even during intense workouts. There are eartips in 3 sizes (S/M/L) for your choice to get the most suitable fit. The IPX6 waterproof design protects your wireless headset from sweat and splashes, making them ideal for sports, gym, workouts, hiking, etc. 60 Hours Playtime & Stereo and Mono Mode: With an impressive 8 hours of listening time on a single charge, these Bluetooth headphones offer a total of 60 hours of uninterrupted music playback. They can switch seamlessly between stereo and mono mo