Compatible with USB devices. Two computers share the printer, keyboard, mouse, U disk, etc. Avoid frequent unplugging, reduce costs and improve efficiency. One set of keyboard and mouse to control two computers. Control two hosts without plugging or Replacement of equipment, higher office efficiency. Shared printers reduce costs. It can be realized without repeatedly plugging and unplugging the printer cable Two computers share one printer, reducing office costs. Interface Type:USB 3.0 Colour:Black Material:Plastic Package Contents: 1 x KVM Switch 2 x USB Cable 1 x Desktop Contrller(New and old models are random, no specification is accepted) 1 x English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.