This USB switch is suitable for all USB 3.0 devices, such as external hard drives, high-resolution webcams, camcorders, video surveillance cameras, digital camcorders, multi-channel audio, etc. USB 3.0 Switch-to-4 is a great choice for sharing 4 USB 3.0 devices between 4 systems. It is very suitable for sharing printers or scanners in small office environments. If you have multiple PC or for , it is also very suitable for use . The USB 3.0 Switch supports ultra-fast USB 3.0 data transfer rates up to 5Gb/s (10 times faster than USB 2.0). Name: USB3.0/2.0 KVM switch Model: HC405/HC406 Input: 4 USB3.0/2.0 ports Output: 4 USB3.0/2.0 ports Switching : Key switch Accessories: USB3.0/2.0 A to A data cable 1.5m/4.92ft*4pcs Product size: 105x53x15mm/4.13x2.09x0.59in Colour:grey Material:Aluminum alloy Package Contents: 1 X KVM Switcher 4 X 1.5m USB Data Cable 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.