Bplus MR13-D-EC2C : ExpressCard 34mm or 54mm extender ExpresssCard extender with enclosure. Enclosure : Fast and easy to fit in 34mm or 54mm ExpressCard slots. External USB power cable to apply additional power for ExpressCard. Allow to extend ExpressCard slot No driver required for MR13 itself. Support XP, VISTA, 7 and Linux Cable length : 60cm