Fangrui Product Details 1. Fk328t Cell Phone Tablet Laptop Wireless Bluetooth Keyboard Portable 3-folded Keyboard 2. Upgrade High Sensitivity Touchpad: High Sensitivity Touchpad Without Delay, Faster Response, And Higher Efficiency 3. Compatibility With Mac Os, Ios, Ipad, Android, Pc, Laptop 4. Free Stand Holder: Provides 7 Excellent Screen Viewing Angles! Let Your Work Anytime And Anywhere 5. Small Pocket Size & Full-size Fully Equipped 6. Specifications: 7. Product Model: Fk328t 8. Material: Abs Plastic 9. Support System: Ios, Android, Windows 10. Number Of Keys: 64 Keys 11. Wirelessbluetooth Solution: Nordic(n51802) 12. Bluetooth Version: Bluetooth 4.2 13. Keyboard Life (number Of Keystrokes): 5 Million Times 14. Response Speed: 30ms 15. Wireless Bluetooth Transmission Distance: 10 Meters 16. Operating Voltagecurrent: 3.7v1ma(at Key Press), 3.7v7ma(at Touch Max) 17. Built-in Potassium Battery: Yes 18. Battery Type & Capacity: Polymer Soft Pack Ri Battery 301850-180mah 19. Charging Time: 2 Hours 20. Use Time: 80 Hours 21. Standby Time: 2 Months 22. Product Weight: 206g