Feature: 1. Hands Free Convenience: Enjoy remote control of your smartphone camera and reading APP without ever having to touch your phone. The ergonomically designed ring ensures maximum comfort and ease of use. 2. Versatile Functionality: From video APP to electric books, this remote control ring offers a range of easy to use features. Control page turning, take photos and videos, adjust volume, pause and play content with ease. 3. Long Distance Control: Effective control distance over 10 meters, can be used for watching movies, online classes, conference presentations, cooking, exercising and relaxing, etc. 4. Long Battery Life: The built in 60mAh battery provides 48 hours or more of continuous use on a single charge, and standby time can extend beyond 4 months with minimal use. 5. Advanced Features: In addition to standard remote control functions, the device also offers advanced capabilities to simulate mouse movement and operate smartphone apps precisely. Specification: Item Type: Remote Control Scrolling Ring Material: ABS, electronic components Weight: Approx. 101g/3.6oz Ring Battery Type: Lithium battery (shipped with built in battery) Ring Battery Capacity: 60mAh Charging Case Battery Type: Lithium battery (shipped with built in battery) Charging Case Battery Capacity: 300mAh. Package List: 1 x Remote Control Scrolling Ring1 x Charging Case 1 x Charging Cable 1 x Specification Note: 1. Suitable for iPhone and for IOS tablet remote control. For iOS system needs to open Settings, Access, Touch, Auxiliary Touch, and then it can be used normally.2. You need to make sure that the for iOS software is above V15.0 and the for Android version is above 8.0.3. If the ring still doesn't work, restart it.