Fangrui Product Details 1. Op17-as Ultra-thin Detachable Backlight Bluetooth Keyboard Leather Tablet Case With Touchpad 2. Multi-angle Stable Support To Meet Different Angle Requirements. 3. Detachable Keyboard, More Convenient To Use. 4. Fully Wrapped Protection On All Sides To Prevent The Four Corners Of The Device From Being Knocked, Peeled, And Worn. 5. Low-noise Buttons Do Not Disturb Others. 6. Bluetooth Chip, Stable Connection, Fast Speed, And Low Power Consumption. 7. Keyboard With Three-color Backlight 8. Parameters: 9. Bluetooth 3.0 Standard Interface 10. Effective Operating Distance: 10 Meters 11. Modulation Mode: Gfsk 12. Working Voltage: 3.0-4.2v 13. Working Current: Less Than 2.5ma 14. Standby Current: Less Than 0.3ma 15. Sleep Current: Less Than 40ua 16. Charging Current: Greater Than 200ma 17. Standby Time: More Than 100 Days 18. Charging Time: 3-4 Hours 19. Lithium Battery Capacity: 450mah 20. Sustainable Working Time: 100 Hours 21. Lithium Battery Life: 3 Years 22. Key Force: 80+-10g 23. Key Life: 5 Million Clicks 24. Working Temperature: -10 -﹢55 Degrees 25. Product Size: 26.6x19.3x2cm 26. Weight: 660g 27. Type-c Charging Port