USB Share Switch allow multiple PCs to share one USB device. It provides you a great solution to share USB devices up to four PCs to save the limited budgets on USB devices and the effort on doing hot-plug process. Easy software switching via a small tool bar icon. Compatible USB 1. 1/2. 0 spec. Supports both UHCI and OHCI USB interface. USB B-Type corresponds to computer and USB A-type connects to USB device. No extra power required. The Application Software makes switch between multiple computers easier. The icon displays on the task bar as device status monitors. Auto Printer sharing detection is available. 2 x USB A/B-type 1. 5m(4. 5ft) cable.