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 TurnerMaterial: ABSBattery Type: Lithium Battery(Include)Battery Capacity: 30mAhBluetooth Version: V5.0Usage Time: Approx. 8 HoursConnection Distance: Approx. 10m / 393.7inSize: Approx. 30 x 28 x 13mm / 1.2 x 1.1 x 0.5inFunctions: Selfie, Like, Page Turning (Up/Down/Left/Right), Volume Adjustment.Package List:1 x USB Charging Cable1 x Storage Box1 x Remote Control App Page TurnerNote: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.