▶PLUG and PLAY: H9 Pro rainbow backlit wireless keyboard and mouse with touchpad is connected by a high stability powerful 2.4ghz wireless radio frequency technology, just plug USB dongle, the transmission distance can up to 50ft ▶RAINBOW BACKLIT SET: The latest LED Backlit Panel technology, over 180000 colors of backlit for you to choose, and can be turned off. Also this keyboard have a light memory function, no need to reset it when power on each time. ▶TOUCHPAD: With the DPI adjustable functions,the touchpad can better match the different sizes of screen, also it supports multi-finger function,you can use single finger or two-finger to control your device, easily browse the internet and play games.

Easy typing, even in the dark - Type effortlessly in all lighting conditions. A sensor detects the amount of light in the room and automatically dims or brightens the backlight to suit your needs Keyboard and mouse all in one -The K830 streamlines navigation in the living room by combining these two devices into one. The touchpad is smooth and responsive with accurate cursor control and enhanced gesture functions. 10 m (33 ft) wireless range - Lean back and browse from your couch or bed with Logitech Unifying or Bluetooth Smart technology. Compatible : Windows 7, Windows 8, Windows 10 or later Android 5.0 or later Chrome OS USB port or Bluetooth Smart enabled computer.