2 In 1 KVM USB cable - The VGA cable and USB cables are 2 in 1 to keep your workspace tidy and clean. ?It is not recommended to use an illuminated mechanical keyboard because it's power overload.? If you have any questions about the product, please feel free to contact us. 2 Switching Methods - Comes with wired desktop controller, you can use it to switch devices without leaving your seat. Or you can switch devices through the panel button. And the LED indicator can indicate which computer you are controlling. High compatibility - Compatible with Windows 10 / 8 / 8.1 / 7 / XP / Vista / Mac / Linux system. It is widely used for business, office, personal studio, multimedia teaching, video conferencing, game room, home theater, research test, etc. High resolution - This KVM VGA Switch’s resolution up to 1920 * 1440, also supports a super widescreen display. Support for DDC and high-quality auto-identification. Plug and Play, no driver or external power supply is required. VGA USB KVM Switch - DGODRT 4 Port VGA KVM Switcher allows you to manage 4 computers or laptops with 1 monitor and 3 USB2.0 devices, such as keyboard, mouse, printer, scanner and hard drives.