Welcome to our store! Experience seamless control with our Bluetooth 5.3 Remote Control Scroll Ring for stable and reliable connectivity. Enjoy hands-free convenience: Effortlessly navigate e-books and short video apps with this user-friendly design. Portable charging case doubles as a phone stand, perfect for binge-watching on the go. Capture and share beautiful moments with one-click remote photo and video capabilities. Keep your phone secure with the one-click remote screen lock function, protecting your privacy. Ring Battery Type: Lithium Battery Ring Battery Capacity: 60mAh (Included) Charging Case Battery Capacity: 300mAh (Included) Bluetooth Version: V5.3 Support Protocol: EDR and BLE Operating Time: 120 hours Functions: Short video page up and down, double tap to save, take photo and video, volume up and down, Type C charging Supports systems: for IOS 15.0, for Android 8.0 or higher, for Harmony system Includes: Charging Case, Remote Control Scroll Ring, Specification, Charging Cable Your satisfaction is our top priority. If you encounter any issues, please contact us immediately for the best solution!