Charge your smartphones and tablets quickly using two 2 4a usb fast charge ports connect multiple usb devices to your laptop or desktop by adding seven usb 3 0 ports charge a variety of mobile devices including apple and samsung galaxy devices with support for usb battery charging specification 1 2 sleek and compact design simultaneously use the hub ports and fast charge ports add seven usb 3 0 5gbps ports to your computer plus fast charge two mobile devices 7 port usb 3 0 hub plus 2