100% and high quality. In the process of playing, the performer can easily complete the page turning step by simply stepping on the pedal. Simple operation, Compatible with most mobile phones on the market. Four modes work with kinds of apps,You can use the wireless pedal controller to & 64258;ip through various APP music, pictures, logs and memos, etc. Transmission Range: 15M Colour:black Material:plastic Package Contents: 1 x Reading Page Turning Pedal 1 x USB Cable 1 x Chinese and English manual Only the above package content, other products are not included. Note: Light shooting 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.