Qisan Gaming Keyboard and Mouse Combo Set LED Symphony Backlight Wired Keyboard 6 Button 4 DPI Gaming Mouse with a free OTG cable Symphony special backlit keyboardbrushed metal texture,very dynamic 104 full size keys are symphony and translucent, and clear characters, using more cool at night The key travel is short, very comfortable, percussion small, can greatly improve efficiency 7 backlight color changable, 13 Anti-ghosting key usb gaming keyboard Gaming mouse built-in 4 DPI(500-1000-1500-2000) level free adjustable, 6 button,free driver