The USB421 is a manual 4-port USB data switch to share 1 USB device on 4 computers. USB 2.
Newstar USB 1.1 data switch, 4-port KVM switch
The USB switch saves you the investment and maintenance of USB hardware.
Newstar USB 1.1 data switch, 4-port. Keyboard port type: USB, Mouse port type: USB. Connectivity technology: Wired