Feature: 1. Convenient Page Turner: After wearing this remote control App page turner ring, you will find it more convenient to read books, watch videos, shoot movies, etc. 2. Stable Signal: Remote control App page turner provide reliable connection within 10m range, ensuring uninterrupted page turning. Say goodbye to the hassle of manual page flipping. 3. Compatible with Multiple Devices: Remote control scrolling ring works seamlessly for IOS, for Android, and for Harmony OS devices. Enjoy the convenience of wireless page turning. 4. Comfortable to Wear: Lightweight and ergonomic design allows for comfortable use during extended periods. Wear it comfortably on your fingertips and focusing on your phone. 5. Long Battery Life: Enjoy up to 10 hours of continuous use on a single charge. Remote control App scrolling ring ideal for rehearsals, performances, and long practice sessions. Specification: Item Type: Bluetooth Remote Control Page Turner Material: ABS, Silicone Bluetooth Version: 4.0 Battery Type: Lithium Battery(Included) Battery Capacity: 20mAh Charging Input: 5V-20mA Size: Approx. 20 x 20 x 23mm / 0.8 x 0.8 x 0.9in Charging Time: 1 hour Battery Life: 6-10 hours Effective Range: 10m / 393.7in. Package List: 1 x Bluetooth Remote Control Page Turner 1 x USB Charging Cable 1 x User Manual Note: For IOS system phones, you need to first open Settings > Accessibility > Touch > Enable Assistive Touch to use it normally.