... ,sd memory card adapter 2.Support :TF / Micro SD,WINDOWS 98 /ME/2000/XP/Vista//Mac QS 3,USB2.0version 4.OEM welcome sd ... Speed USB2.0, Compliance with USB 1.1support TF / Micro SD,WINDOWS 98 /ME/2000/XP/Vista//Mac QSPlug and play ... ,high speed data tranferUSB bus power Supply ,No external power supply requiredSupport high speed card ...