Switch Cables 2 computers (laptops) share one device (printer copier U disk etc. ) no need to plug in and out only one can work through the button switch note: can not be used at the same time. Simple plug and play requires no drivers or softwareBoth ports can be charged and data synchronized and a printing line is includedWorks with USB 2.0 or 1.1 host controllers and devices on Windows Mac and Linux/Unix computers at USB 2.0 speeds. This Cable Easy share your keyboard mouse printer usb fan usb disk etc. to two computer/laptop/tablet etc Note that only one time one port can be use