Feature:1. Super Long Endurance: This page turner pedal has a built in rechargeable lithium battery that lasts up to 40 hours after a full charge, supports automatic shutdown after 30 minutes of use to save power, and can also be turned off with the power save feature.2. 4 Using Modes: This foot pedal page turner has 4 using modes, it supports page up, page down, page left and page right, supports imitation finger page turn, and the bluetooth page turner pedal is compatible with almost all APPs.3. Easy To Use: This portable wireless page turner pedal is designed with simple buttons, which is very simple to operate and easy to use.4. Wide Application: This bluetooth page turner pedal has a wide range of applications, it can be used for electronic sheet music, electronic books, PPT, APP and so on.5. Good Compatibility: This music page turner pedal has good compatibility, accommodates almost 99% of APPs, and does not specify how to use APPs. It is compatible with Bluetooth 5.1 high speed connection, no need to use wired connection.Specification:Item Type: Page Turner PedalInterface Type: USBSupported Systems: For iOS, For Windows, For Android, For OS X, For Linux, etc.Battery: Button Battery x1 210mAh (Shipped With Built In Battery).Package List:1 x Page Turner Pedal1 x USB Data Cable1 x Manual