Feature: 1. Compatible with Multiple Devices: Remote control scrolling ring with a wide range of compatibility, which can works seamlessly for IOS, for Android, and for Harmony OS devices. 2. 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. 3. Bluetooth Connection: Remote control App page turner adopted Bluetooth 5.0 for easy connection, provide reliable connection within 10m range, ensuring uninterrupted page turning. 4. Support Mainstream APP: Remote control App scrolling ring support a variety of mainstream APP, one press the left and right keys to easily turn the page, convenient and practical. 5. Comfortable to Wear: App page turner ring adopted ergonomic design, you can wear it comfortably on your fingertips, with USB Type C charging port for convenient use. Specification: Item Type: Bluetooth Remote Control App Page Turner Material: ABS Battery Type: Lithium Battery(Include) Battery Capacity: 30mAh Bluetooth Version: V5.0 Usage Time: Approx. 8 Hours Connection Distance: Approx. 10m / 393.7in Size: Approx. 30 x 28 x 13mm / 1.2 x 1.1 x 0.5in Functions: Selfie, Like, Page Turning (Up/Down/Left/Right), Volume Adjustment. Package List: 1 x USB Charging Cable 1 x Storage Box 1 x Remote Control App Page Turner Note: Compatible for IOS, for Android, and for Harmony OS devices (including phones and tablets). For IOS systems, 14.5 and above is required. If the system version is lower, some functions may not be available or may be unstable. In PPT mode, it supports for IOS systems.