The Polarized biking Sunglasses offer UV400 protection with polarized lenses, perfect for outdoor activities. Featuring Bluetooth 5.3, they allow for hands-free calls, music, and GPS while keeping you aware of your surroundings with an open-ear design. Lightweight and secure, they're ideal for sports like cycling, running, and more. IPX5 waterproof and equipped with a long-lasting battery, they provide up to 6 hours of playtime on a full charge. Perfect for any outdoor enthusiast!