1、Stable Bluetooth Technology: Utilizing Bluetooth 5.0, this smart glasses ensures a stable connection for an wonderful sound experience and also supports Bluetooth camera function. 2、UV400 Eye Care: The UV400 lenses protect your eyes from UV sun damage, making the Bluetooth sports glasses a practical and stylish choice for outdoor activities. 3、Waterproof Design: With an IP65 waterproof rating, the Bluetooth glasses is suitable for outdoor sports such as running and fitness, ensuring durability and performance in various environments. 4、Magnetic Charging: Featuring magnetic charging, the smart glasses offer up to 4.5 hours of talk time and 4 hours of music playback, providing long lasting battery life for your convenience. 5、Lightweight and Comfortable: Designed for extended wear, the smart glasses is lightweight and comfortable, allowing you to enjoy freely movement during activities like cycling and hiking. Item Type: Smart Glasses Material: TAC, PC Weight: Approx. 150g/5.3oz Color: Black Waterproof Level: IP65 Charging Method: Magnetic Charging Charging Time: About 70 Minutes Battery Type: Polymer Battery x1 (Built in Battery Included) Battery Model: 400826 Battery Capacity: 105mAh Photo Function: Bluetooth Photo Standby Time: About 150 Hours Talk Time: About 4.5 Hours Music Playing Time: About 4 Hours 1 x Smart Glasses 1 x Charging Cable 1 x Instruction Manual 1 x Cleaning Cloth 1 x Glasses Bag