AULA Dragon Tooth 3 Color Backlit LED Illuminated Gaming Keyboard Wired Best Holiday Gift SALES END BY DEC 24 CHRISTMAS Feature 3 color Led backlight specially ,every color backlight have 4-level brightness to adjust. Press Fn+NumPad5 to change the backlit color, press Fn+NumPad2/8 to change brightness level. Delicate appearance, ergonomic comfortable palm rest can be disassembled ,effectively reduce the hand fatigue. Laser-etched character and paint coated keycaps, Dedicated multimedia keys for controlling volume and music(work with Fn key)) Gold-Plating USB connector, compatible with USB 2.0, 3.0, 6ft long cord with full-copper material inside, provide you a very stable connection. Plug and play, no need to setting, compatible with Windows and Mac system.