2 PCs Share Multiple Devices: UGREEN 2 in 4 out USB 3.0 kvm switch supports 2 computers share 4 USB devices like keyboards, mouses, U disk, printers, scanners, USB cameras, headphones, etc. It's convenient for you to switch freely between your work computer and personal computer, greatly improving work efficiency. Transfer Files in Seconds: With the 4x USB 3.0 ports, UGREEN USB KVM Switcher supports up to 5Gbps data transfer speed. You can easily transfer data from U disk, mobile hard disk to computer. It's backward compatible with USB 2.0, too.