Tinytech 2.4GHz Wireless Keyboard & Mouse Combo SetWireless Connectivity: It uses 2.4GHz wireless radio for connection via a USB Type A dongle, offering plug-and-play functionality.
Keyboard Features: The keyboard has a Pan Nordic layout, power/caps/num LEDs, 10 function keys, and scissor switch key switches.
Mouse Features: The mouse is optical with 3 buttons (left, right, wheel), a DPI select button, and a scroll wheel, and offers 1000/1200 dpi resolution.
Power Source: Both the keyboard and mouse require 2 x AAA batteries (not included).
Compatibility: It is compatible with Windows XP / 7 / 8 / 10.