Three Folding Bluetooth Keyboard, Three System Compatible + With Touch Version Highly Sensitive Touchpad, Double-Click And Drag Files, More Comfortable To Use Humanized Folding, Three-Fold Design, Slim And Light, Easy To Carry Lock Screen Function, Directly Operate On The Keyboard To Lock The Screen Of Mobile Phones And Tablets, Convenient Keypad Lock Screen Function Helps To Protect Your Privacy And Is Also Conducive To Device Power Saving Light Sound And Comfortable, Scissor Foot Buttons, Uniform Force On The Keys, Natural And , Prevent Finger Slippage Input Is Not Tired, Office Is More Efficient Description: 1. Bluetooth Type: Bluetooth 3.0 2. Effective Operating Distance: 10m 3. Keyboard Layout: Standard Qwerty 4. Working Voltage: 3.3-4.2v 5. Charging Voltage: Dc 5v 500ma 6. Battery Capacity: 140mah 7. Continuous Working Time: Greater than40h 8. Bluetooth Solution: American Broadcom 9. Standby Time: 100 Days 10. Charging Time: 2h 11. Number Of Keys: 64 Keys 12. : Greater than5 Million Times 13. Using The Working Current: Less than8.63ma 14. Working Current When Using Keys: Less than3ma 15. Standby Current: 0.25ma 16. Sleep Current: 60A 17. : 10 Minutes 18. : Any Key Unfolded size: 315 x 92 x 6mm Folded size: 156 x 92 x 12mm Touchpad size: 64 x 52mm Material: Plastic colour: silver Package Contents: 1 x Keyboard 1 x Usb Charging Cable 1 x English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.