Fangrui Product Details 1. Rk109c Detachable Magnetic Plastic Bluetooth Keyboard With Touchpad + Silk Pattern Tpu Tablet Case For Ipad Air 2020, With Pen Slot & Bracket 2. Tpu Soft Shell With Pen Slot, Can Be Used As A Bracket. 3. The Keyboard And Holster Can Be Separated. 4. With X-scissor Foot Button Structure Design, The Chocolate Keycap Is Ultra-thin And Silent. 5. Strong Magnetic Absorption, The Keyboard Can Be Sucked On The Protective Cover, Will Not Fall, Use More Assured. 6. Bluetooth 3.0 Chip, Faster, Lower Power Consumption, Bluetooth Is More Stable. 7. Intelligent Power Saving Sleep Function. 8. Product Parameters 9. Bluetooth 3.0 Standard Interface 10. Effective Operating Distance: 10 Meters 11. Modulation Method: Gfsk 12. Working Voltage: 3.1-4.2v 13. Working Current: =95 Days 14. Charging Time: =76 Hours 15. Lithium Battery Life: 3 Years 16. Button Force: 50-80g 17. Key Life: 3 Million Hits 18. Product Material: Tpu + Pu + Plastic Keyboard.