Open-Ear Comfortable Design:Designed for high-intensity activities like swimming running and cycling, equipped with a soft and elastic silicone strap to ensure the headphones stay securely in place during intense movement or underwater activities. Skin-Friendly Design: Made from high-quality silicone materials, the parts that contact the skin are durable, resistant to deformation and discoloration, making them ideal for long-term use with superior comfort.Fast Charging: 1.5 hours for 6 hours of playtime. 8 Hours Battery Life: In Bluetooth mode, enjoy up to 8 hours of music, calls, or podcast playback, or 6 hours of local storage audio playback. Just 5 minutes of charging provides 3 hours of use, eliminating battery anxiety.Fit well with glasses and hat.Compatible with voice assistants. Voice Assistant Activation：Bluetooth 5.3 Compatible with PC, Laptop, Windows, macOS, iOS, and Android. Supports voice assistant activation, including Siri, Alexa, and Google Assistant. IP68 Waterproof Rating:With a triple-sealed design,This headphones is fully sweatproof and can be submerged in water up to two meters deep for two hours, for built-in MP3 audio play while swimming. This bone conduction Bluetooth headset features an open-ear design and is equipped with IP68 waterproof functionality, making it perfect for swimming, running, and high-intensity workouts. The built-in 32GB local storage ensures you can enjoy music underwater, while Bluetooth 5.3 provides a stable connection. It also supports seamless device switching, allowing you to easily answer calls or switch audio without manual intervention. Made from high-quality silicone, it offers comfort and durability, and the fast charging feature eliminates battery anxiety. The LED light strip enhances visibility at night, making it an ideal choice for sports, commuting, and everyday use.fit for glasses and phone calls