Aside from the additional power provided this 3 feet cable also offers pure digital data transfers for high speed file transfers which can help ensure sharper more natural images and sound transfers at higher speeds the usb a to usb mini b y cable is backed by startechcom39s lifetime warranty this 6 feet usb a to mini b y cable provides two usb 39a39 male connectors and a single usb 39mini b39 male connector an ideal solution for providing the additional power required by some mini u