This Sabrent (USB-USS4) USB 2.0 sharing switch gives you the ability to operate 4 computers with a click of a button. Featuring Plug & Play compatibility no additional drivers are needed to start using this device. We know in this day and age operating two computers simultaneously without having to use separate devices is needed. Saving you precious time this device and technology in one can help keep your work space clean and organized. This allows sharing a single device between 4 computers or even connecting a USB hub for sharing multiple devices between 4 computers. Powered Blue LED''s show you exactly which computer you are connected to for easy distinction. Access data on 4 separate computers through the same USB shared port.System Requirements: Windows XP and higher. Mac 8.6 or higher.