With this hands-free pedal, you can easily turn the page of electronic music scores, E-books, PPT, album pictures, short-video, etc. Upgrade BT 5.3 connection, features low latency, fast transmission rate and more stable performance. Support page turning up / down / left / right, and simulated-finger page turning which is compatible with almost APPs. 4 page-turning modes can be switched easily and freely, meeting needs of users.All functions can be achieved via single footswitch, simple and easy to use. Inbuilt rechargeable battery, provides more than 73 hour continuous service time. Support auto shutdown for power saving. Delicate and compact body, convenient to carry and store. Widely compatible with for iOS, forAndroid, for Harmony OS, for Windows, etc. Macro definition function: You can define a series of keyboard and mouse action combinations, such as setting Ctrl+P to delay 100ms and then press Enter to realize automatic printing. Introduction to custom functions: 1. Keyboard function: This product can set any key value or key combination (including F1 to F24, etc.), for example, set to key value A or CTRL+A. 2. Mouse function: can be set to the mouse left, middle, right, forward and back key functions You can also set the movement of the X and Y axes and the up and down scrolling function of the wheel. Colour:White Material:Plastic Size:55x52x30mm Package Contents: 1 * foot pedal music turner 1 * USB power 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.