Function: 1. It is easy to read electronic scores, e-books, PPT, photo albums, Douyin short videos, Kuaishou and other APPs. It is compatible with almost 99% of APPs, and does not specify the use of APPs. 2. Support IOS, Android, Hongmeng, Windows, MacOS and other operating systems 3.Blue tooth 5.1 high-speed connection, no need to connect. 4. International standard TYPE-C charging socket, built-in rechargeable lithium battery, fully charged can last up to 40 hours, support automatic shutdown to save power after 30 minutes of use, and can also turn off the power saving function. 5.4 usage modes, support page turning up, down, left and right, and analog finger turning, which is compatible with almost all APPs. 6. Single-stepping and simple key design, easy to use and easy to carry. Product Description: 1. Battery/charging indicator: always on when charging; fully charged off; low battery indicator flashing. 2. Power on/off/mode setting button: long press to switch on and off; after power on, short press to set the page turning mode. 3. Turn off the automatic power saving function: Press and hold the pedal, long press the switch button to turn on the machine, and the automatic power saving mode can be turned off. 4. Switch the Blue tooth mode: After powering on, press and hold the pedal, and press the power button for 1 second to switch the Blue tooth 2 "Sky Turner2" mode. 5. Use mode: Mode 1, turn pages left and right; Mode 2, turn pages up and down; Mode 3, simulate manual page turning up and down; Mode 4, simulate manual page turning left and right. Short press the switch to switch the page turning mode. 6. Page-turning and pedaling: After powering on, single-step to turn to the next page, quickly double-step to turn to the previous page; single-step to hold, keep turning to the next page, double-step to hold, and keep turning to the previous page. 7. The IOS system uses "mode 3 and mode 4" to simulate manual page turning. You need to open the phone settings - accessibility - touch - turn on assistive touch - turn on performing touch gestures - adjust the tracking sensitivity to a value of 30-40 can be used normally. 8. Press and hold the power button to turn on the machine, the mode light flashes, indicating that the Blue tooth "Sky Turner" is not connected; after connecting the Blue tooth, the mode light turns steady on, indicating that the Blue tooth is connected.