Reetec Rainbow Backlit 104 Keys Waterproof USB Wired Mechanical PC Gaming Computer Keyboard with Blue Switches

Backlight adjustment function: 1.FN+Delete = Full keyboard breathing mode; 2.FN+Insert = Meteor snake - like Happy Valley mode; 3.FN+Home = Ripple pattern; 4.FN+Page Up = The default light mode; once again trigger into the floating light mode,...