Gaming Keyboard and Mouse: 3 colors changeable backlit gaming keyboard with 3 grade adjust brightness and 2 breathing mode, 4 colors circular breathing led gaming mouse, 4 adjustable DPI (1200, 1600, 2400, 3200). There are manually permanent lighting mode, automatically/manually breathing mode. PressingFn+ could get brightness increasing/decreasing. (The backlight will be closed after pressingFn+three times.) 19 Keys Anti-Ghosting: The latest illuminated gaming keyboard with 104 keys, 19 keys non-conflict keys allows you to press or hold multiple keys simultaneously without fear of missing or unexpected key presses. Gaming Keyboard and Mouse are super responsive which could take you into a pretty cool gaming atmosphere quickly.