1. The keyboard is compatible with most devices based on Android, Windows, and Linux operating systems. We can control devices such as desktop computers, laptops, TVs, XBOX360 game consoles, PS3, etc. By connecting an OTG adapter, the keyboard can also be used with smartphones and tablets. 2. It operates at a 2.4 GHz wireless frequency, allowing you to work comfortably even at a long distance. It is equipped with a 3.7V 1020mAh battery, which can be charged directly in the device using the included micro USB / USB cable. 3. It has an LED backlight function with three color options: green, blue, and red. This is a very convenient device, equipped with a full QWERTY keyboard and function keys. The integrated touchpad allows you to smoothly control the mouse through the keyboard. Parameters: 1. Full QWERTY keyboard 2. Wireless connection via USB receiver 3. LED lighting: green, red, blue 4. Color: black 5. Power supply: BL - 5C 1020mAh 3.7V battery (charged via micro USB/USB cable) 6. Keyboard compatibility: ANDROID, WINDOWS 2000/XP/VISTA/CE/7, LINUX DEBIAN/REDHAT/UBUNTU/FEDORA, TV, SMARTPHONE, TABLET, XBOX360, PS3 7. Touchpad 8. Ergonomic shape 9. Power - saving function (sleep mode) 10. Easy to install, no additional drivers required 11. USB/micro USB charging cable 12. Dimensions: 14.5cm x 9.5cm x 1.8cm 13. Cable length: 20cm