Make Your Reading Easier! Remote Control E-book Turning One-click control for remote photography One-click control for short video recording Miniature design, and portable Bluetooth Version: Transmission Power: Ver.5.0 Transmission Power:Class II(-6dBm-+4dBm) Frequency (Hz):2.40GHz-2.48GHz Bluetooth Name:D07 Pro Communication Distance: 10 meters Battery Capacity:25mAh Charging Time:About 1.5 hours Charging Interface: Type-C Colour:White Material:Plastic Package Contents: 1 x Finger Ring 1 x Charging Box 2 x Page Turner Clips 1 x Charging 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.