Fast charge your mobile devices such as tablets ipad samsung etc or smartphones from any usb 20 port the usb2chadp usb 20 fast charging adapter transforms your computer usb host port into a charge only port enabling the adapter to charge your mobile devices ipad samsung tablet etc as an ac wall charger would and ultimately decreasing your charge times which makes it perfect for people on the move the usb charger adapter also includes a switch that allows you to shift between d