Features: --It is easy to read electronic scores, e-books, PPT, photo albums, and all kinds of APPs. It is compatible with almost 99% of APPs, and does not specify the use of APPs. --Compatible for IOS, Android, Hongmeng, Windows, MacOS and other operating systems. --Bluetooth-compatible 5.1 high-speed connection, no need to use wire connect. --International standard TYPE-C charging socket, built-in rechargeable lithium battery, can last up to 40 hours when fully charged, support automatic shutdown to save power after 30 minutes of use, and can also turn off the power saving function. --4 usage modes, support up, down, left and right page turning, support imitating finger page turning, compatible with almost all APPs. --Simple key design with single pedal, easy to use and easy to carry. Description: Name: Wireless Page Turner Product Category: Score Turner Model: ST-1 Material: ABS + electronic components Charging interface: TYPE-C Battery: Built-in rechargeable lithium battery Battery capacity: 110mAh Product size: 50 x 50 x 30mm Applicable scene: musical instruments (guitar, ukulele, piano, violin, etc.) Packing list: 1 x Page Turner 1 x type-C data cable 1 x product instructions Note: Due to manual measurement, please allow 1-3 cm error, thank you Due to screen and other objective reasons, there may be a certain color difference, please understand.