Feature 1With 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.SpecificationItem Type: Remote Control Page TurnerMaterial: ABSRemote Control Distance: Approx. 10m / 32.81ftBattery Type: 401012lithium battery, modelBattery Capacity: 30mAh shipped with built in battery Signal Frequency: 2.4-2.4835GHz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Remote Control Page Turner1 x User Manual1 x USB Cable