Friendly Reminder: Your 100% satisfaction is our goal. "Risk Free" with free returns & exchanges. 45Days money back! Full 1 year manufacturer's support, 24h friendly service team. The keyboard combo support system: Win 7/Win 8/Win 10/Mac/XP/Vista. Simple and Durable: The keyboard and mouse were easy to install and go, no need for any extra software. Easier plug it into your laptop and the mouse works instantly. Removable keycaps, easy to clean dust. Don't have to worry about stuff getting inside or under the keys. Ergonomic Design: Led keyboard has natural angle tilt, big and arcuated double injection ABS keycaps design, effectively reduce hand fatigue, feel more comfortable. It also fits the kids small hands, great gifts for kids. 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. 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. Pressing“Fn+ ” could get brightness increg/decreg. (The backlight will be closed after pressing“Fn+?”three times.).