High speed and 3 ports USB2.0 HUB 1.High speed and 3 ports USB2.0 HUB 2.supports transferrate up to 480Mbps3.support plug and play,USB1.1 Compatible 4.windows 98SE,2000,ME,XP,VISTA,Window7,MAC OS X Compatible TF/Micro SD/M2/MS/MMC/SD Erasable Memory Card ect 5.Available on:black,white and purpose colour6.clamshell package