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.