Item Type: Remote Control Page TurnerMaterial: ABSRemote Control Distance: Approx. 10m / 32.81ftBattery Type: 401012lithium battery, modelBattery Capacity: 30mAh shipped with built in batterySignal Frequency: 2.4-2.4835GHz1With Stable Signal: Ensuring stable signal transmission, the page turner with 2.4-2.4835GHz signal frequency enables convenient remote control.2Remote Controller: Having worn this ring controller, you will find it much easier to view electronic books, video, filming, give a like, etc.33 Buttons Control: There are only 3 buttons on the remote control, which are more than enough to operate the APP on your phone, very simple.4Good Compatibility: Suits perfectly for IOS, for Android and for Harmony OS operating systems, the remote page turner has wide compatibility.5Comfortable Wear: Conforms to the ergonomics, the Bluetooth page turner is mainly made of premium ABS material, very comfortable for long wear.1 xRemote Control Page Turner 1 x User Manual 1 x USB Cable