1The button has a backlight function, which can still be used when the light is turned off, and a variety of lighting effects can meet your needs 2With ergonomic keycap design, you will feel better when you use the keyboard, and your hands will not feel very tired after using for a long time 3The keyboard sounds very clear in use, with a dustproof design, and up to 50 million keystrokes 4Builtin powerful game chip, processing every data accurately and quickly, giving you a good experience 5FN+WN key can enter the game mode, lock the WIN key to prevent accidental touch, equipped with colorful RGB systemItem Type:USBKeyboard Number of Keys: 104 Keys Product Interface: USB2.0 Working Voltage: 5V Button Life: 50 Million Times Multimedia Function Keys: Support Working Current: 250mA Support System: For Win 2000/XP/7/8/10 1 x USBKeyboard