Backlight Tablet Bluetooth Keyboard with Touch Pad 1. Bluetooth standard interface: 5.2 2. Effective operating distance: 10 meters 3. Modulation mode: GFSK 4. Working current: less than 10mA (when the touchpad is working) 5. Standby current: less than 2mA 6. Sleep current: less than 40uA 7. Charging current: 100mA 200mA (backlight model) 8. Standby time: more than 100 days 9. Charging time: 2-3 hours 10. Working time: more than 30H (backlight on) 100H (backlight off) 11. Lithium battery life: 3 million times 12. Key force: 80+10g 13. Key life: 1 million clicks 14. Working temperature: -10 degrees Celsius to 55 degrees Celsius 15. Lithium battery capacity: 500mAh 16. Charging port: Type-C port 17. Backlit keyboard design, full of atmosphere 18. Wireless Bluetooth keyboard, comfortable touch, light and portable 19. Product Dimensions: 27.5 x 19.7 x 0.5 cm 20. Product Weight: 376g Note: Only bluetooth keyboard is shipped, no other items are included