<br><b>Friendly Tips</b> <br>1. There is no single Backlight control button for the RGB mouse, that <br>means if you connects the mouse with your PC, it will keep light. If <br>you mind this, pls consider it before order. <br>2.The backlight keyboard switchs are Not Real mechanical. <br>3.The wired keyboard backlight is 3 LED colors, could be change the <br>single color by pressing the backlit key. <br>4.If you have any problems about the backlight keyboard and mouse <br>combo, hope you could send message to Ruige service team firstly and <br>we will try to help you in time. <br>5.Rii keyboard and mouse combo product service: 12 months <br> <br><b>How to control the keyboard Backlit</b> <br><b>1.FN+Backlight key:</b>Turn on/off the backlight of the gaming keyboard <br><b>2.FN+Pageup/Pagedown key:</b>Increase/decrease LED lighting <br>brightness of the business keyboard <br><b>3.FN+ F1-F12:</b>To unlock different functions for each buttons <br><b>4.FN+ Down key:</b>Turn off the keyboard backlit/you could also <br>press backlight button three times <br> <br><b>Backlight Keyboard Specification</b> <br>*Keys: 104 keys <br>*Backlit: 3 Colors Red,Purple, Blue <br>*Weight: 622g <br>*Size:43*13.6*2.6cm <br>*Compatibility: Win 10/ 8/7/Mac/Raspberry Pi/PC <br>*19 Keys Anti-ghosting <br> <br><b>What's in the box?</b> <br>1 x Mechanical feeling Gaming Keyboard <br>1 x Gaming mouse <br>1 x User manual