1. Basic functions: page up and down, full screen black screen, green light, 2. Special functions: display time, date, battery, countdown function 3. Support system: Windows full platform, MAC os, Android 4. Support software: PDF, WPS, Prezi, web pages, OFFICE office software, etc. 5. LED LCD screens, curtains and other demonstration scenes can be used 6. 0.96 inch TFT LCD display, time, date, signal, battery level are clear at a glance 7. One-piece design, easy to plug and unplug 8. Plug the receiver into the device to automatically recognize it, and then you can use it 9. Separated 360-degree omni-directional information transmission, 200 meters remote control distance 10. The page turning pen automatically sleeps for 5 minutes when there is no operation, and automatically wakes up when it is used 11. Standby for 90 days when fully charged 12. Battery capacity: 400 mA 13. Interface: Type-C 14. Working voltage: 3.0-4.2V 15. Product size: 139x28x14mm 16. Weight: 46.3g