The keyboard has only one backlight effect. The USB receiver is installed on the bottom of the mouse.
Wireless 2.4G Rechargeable Gaming Keyboard & Mouse Set
This wireless gaming keyboard is made of brushed aluminum alloy metal panel, floating keycaps, and two-color injection molding process, making the keyboard strong and durable. The cool LED backlight effect can bring you a better visual experience. Special mobile phone and lighter holder can make your use more convenient.
The 4-level DPI (800-1200-1600-2400) mouse has a unique metal scroll wheel, 7-color smart colorful breathing lights, 6-button buttons, and the wings of the latest electroplating process, unique and stylish.
【10 Colors RGB Mouse Pad】A softer, micro-textured cloth surface gives more tactile feedback, allowing for higher precision in fast-paced games.Non-Slip Rubber Base: Made of natural-foam rubber for keeping the gaming mouse mat in place.
System Support: Windows 7/8/10 / Vista / XP / Mac OS / Linux
The button combo of backlit adjustment:
FN+DEL: Three backlight state switches (Standard Light - Breathing Light - OFF)
FN + ↑/↓: Enhance/reduce backlight brightness, it have 3 levels.
FN + ←/→: Speed up / Slow Down the backlight of breathing light speed, it have 5 levels.
Black/Rainbow led backlit