Feature:1. With Stable Signal: Ensuring stable signal transmission, the page turner with 2.4-2.4835GHz signal frequency enables convenient remote control.2. Remote Controller: Having worn this ring controller, you will find it much easier to view electronic books, video, filming, give a like, etc.3. 3 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.4. Good Compatibility: Suits perfectly for IOS, for Android and for Harmony OS operating systems, the remote page turner has wide compatibility.5. Comfortable Wear: Conforms to the ergonomics, the Bluetooth page turner is mainly made of premium ABS material, very comfortable for long wear.Specification:Item Type: Remote Control Page TurnerMaterial: ABSRemote Control Distance: Approx. 10m / 32.81ftBattery Type: 400909 li battery, modelBattery Capacity: 30mAh shipped with built in battery Signal Frequency: 2.4-2.4835GHz.Package List:1 xRemote Control Page Turner1 x User Manual1 x USB Cable