T0N7-AS Pen Slot Touchpad Backlight Bluetooth Keyboard Leather Tablet Case 1. Bluetooth standard interface 2. Effective operating distance: 10 meters 3. Modulation method: GFSK 4. Working voltage: 3.0V~4.2V 5. Working current: <=3.0mA 6. Working time: >=80 hours 7. Low voltage alarm: 3.0-3.3V 8. Sleep current: <=0.3mA 9. Standby time: >100 days 10. Battery capacity:>=150mAh 11. Button force: 50g~70g 12. Button life: 3 million times clicks 13. Charging input: 5V=1A 14. Connection distance:<=10m 15. Charging duration: 2-3 hours 16. Charging current:<=200mA 17. Wake up duration: 2-3 seconds 18. Charging interface: Type-C 19. Working temperature: -10 to 55 degrees Celsius 20. Bluetooth chip, fast speed, low power consumption, stable 21. Precise cut for easy access to all buttons and ports, giving you smooth operation 22. Touchpad, bracket and pen tray function, easy to use 23. Dimensions: 25x19.5x2cm 24. Weight: 566g Note: The product does not include tablet PC.