4-in-1 KVM Switch: Allows 4 computers to share 1 set of USB peripherals like a mouse, keyboard, flash drive, scanner, or selector. One-button switching, no need to connect and disconnect. 4 computers work together, significantly improving work efficiency. Suitable for mouse, keyboard, U-disk, printer. Easy to Install: Plug and play, no drivers required. Simply connect the USB cable to your computer and the product's USB port. 4K@60Hz High-Definition Picture Quality, supports desktop control switching. Strong Compatibility: Compatible with most systems, including for Windows 11/10/8/8.1/7/Vista/XP and Mac, Linux, and Chrome OS. Color: Black Material: Plastic Package Contents: 1 x Host 1 x Desktop Controller 4 x USB Cable (Other products are not included.) Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.