Compatibility: Perfectly designed for and compatible with other e-, this Bluetooth 5.3 remote allows seamless page turning and device operation without distraction. Multi-Function: Beyond books, use this remote as a camera shutter for capturing photos or as a convenient phone screen management tool. Enhanced Connectivity: Employs the latest Bluetooth 5.3 technology for quicker response and stable connection over distances up to 15 meters. User-Friendly Design: Compact and , this controller is easy to carry. Bluetooth version: 5.3 Supporting Protocol: -BLE Transmission power: Classl (-6dBm-+4dBm) Frequency (Hz): 2.40GHz-2.48GHz Bluetooth transmission distance: 15 meters Charging interface: Type-C Input current: DC5V Ring battery capacity: 30mAh Clicker battery capacity: 70mAh Function: Quick click, quick like, order grabbing, novel page flipping Click speed: adjustable from 1 to 99 levels/can be clicked 99 times per second Bluetooth mode: flashing videos///flipping pages of novels Applicable method: clamp and use as needed Gear display: High definition digital display Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:ABS Package Contents: 1 * clicker 1 * remote control 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.