Connect up to seven usb devices to your computer with the d link 7 port usb 20 hub dub h7 with two usb fast charging ports this hub supports battery charging function for your ipad iphone tablet or other power hungry mobile devices with the d link 7 port usb 20 hub dub h7 you can instantly add more usb 20 ports to your computer it allows you to connect up to seven usb peripherals such as digital cameras printers external hard drives mice keyboards flash drives and tablets to your laptop