Herersquos a must have accessory if you have a usb ctrade equipped computer but need more usb a ports this portable usb 30 hub expands your laptop or desktop connectivity by adding four usb type a ports through a single usb type ctrade or thunderbolttrade 3 port and because itrsquos usb bus powered you donrsquot need to connect an external power adapter which makes travel more convenient and workstations less cluttered keep using your current peripherals and devices if yoursquore l