KF8700 78 Keys Hidden Touchpad Portable Tablet Computer Wireless Bluetooth Keypad With PU Leather 1. 2 in 1 protective case & bracket, PU leather storage case, dustproof and waterproof splash when not used, and folded into a mobile phone tablet bracket 2. Hidden laptop touch pad for convenient storage 3. Master control chip: PCT 2860 5.2 magnetic suction type removable mobile phone tablet bracket mode 4. 3 Channel Wireless Bluetooth connection, efficient switching between different devices, convenient for office and daily life 5. Scissor foot structure buttons, labor-saving and comfortable, typing feel good 6. The alarm LED flashes with a voltage below 3.3V and is not operating below 3.0V 7. Operating voltage: 3.3-4.2V 8. Sleep mode current: less than 30 microamps 9. Waiting mode electric current: less than 0.5mA 10. Charging current: less than or equal to 150mA 11. Standby current: 0.3mA 12. Working distance: more than or equal to 8 meters 13. Sleep mode: Be inactive for 10 minutes 14. Standby time: 400 hours 15. Built-in battery: 250mah 16. Key cap number: 78 keys 17. Switch: scissor foot switch 18. Interface: Type-C USB-C 19. System compatibility: Win XP Win 7 Win 10 Win 11 Android 5.0.2 and above tablets and phones & iOS 6.3.2 and above tablets and phones suitable for Mac OS 10.1 and above computers 20. Touchpad size: 99 x 61mm 21. Keyboard size: 291.2 x 128.8 x 14.2mm 22. Keyboard weight: 460g