Rechargeable Keyboard and Mouse Set Plug and play,keyboard & mouse shared a USB receiver which place in the bottom slot of the mouse The wireless keyboard can offer adjustable purple blue red mixed colorful backlight Ergonomic Design Mute Mouse with 6 button, 7 color breathing LED backlight, 4 level DPI(800-1200-1600-2400) Compatible with windows 2000/XP/7/8/10/OS 2 or higher version, etc. perfect for gaming or work or daily using