K33 Backlit USB Gaming Keyboard and Mouse Combo (114 keys) 

There are three colors of backlighting adjustable of the keyboard FN+SL to swtich the color of backlighting, Three colors are blue, purple and red

There are three levels of brightness (33%, 66% and 100%) adjustable, FN+UP arrow or FN+Down arrow to adjust

The keybard has 10 Mltimedia keys, You can use it to play music, adjust the volume or make it silent, The other shortcut keys can be used to launch E-mail and homepages.