This version have three backlight mode, choose the mode by using shortcuts:
Press FN + SL to switch the backlit color.
Press FN + PS to switch 3 color breathing.
Press FN + PB to switch single color breathing.
Press FN +up/down to adjust the brightness.
One Hand Single Wired USB Gaming Mini Keyboard
Wired Ultra Dragon Style 3 Backlight Gaming Keyboard
USB Wired Illuminated Colorful LED Gaming Keyboard
Ultra Slim Wireless Bluetooth Aluminum Gaming Keyboard