1. Switching Songs: This blue tooth remote control can help you achieve all operations, and you no longer need to swipe the screen with your fingers when watching short videos. 2. Easy to turn pages: You can turn pages without swiping your fingers with this wireless page-turner, which works with most . Kindles are not supported. 3. Camera and Video Recording: This camera remote supports camera and video recording, you can take pictures by yourself, and the effective distance is up to 30 feet. 4. Automatic Shutdown: Put the remote control of the mobile phone into the charging box to automatically shut down, and take it out to automatically power on and connect. 5. Multiple Uses: Our remote control page-turner is suitable for most mobile phones, ta blets, laptops, and more, With a variety of functions, it is light and easy to carry. Specifications: Product name: Douyin ring remote control Battery capacity: 40mAh Bluetooth version: V5. 3 Bluetooth chip Charging compartment capacity: 200mAh Input power: DC-5V Colour: A black Material:plastic Due to different product batches, the appearance , which does not affect the use Package Contents: 1 * Remote control 1 * Charging case 1 * Type-C cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.