Charge your smartphone or tablet quickly using the 2 4a usb fast charge port connect multiple usb devices to your laptop or desktop by adding four 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 super speed usb 3 0 throughput up to 5gbps add four usb 3 0 ports and a fast charge port to your computer 4 port usb 3 0 hub plus dedicated charging port usb hub and cha