Airplus&reg; 4 in 1 High-speed USB Memory Card Reader Supports Micro SD/TF/MS Card (Purple) From China, epacket, usually takes 7-15 work days for delivery. USB version 2.0 specification Supports up to 480Mbps/s accessibility speed Supports SD, SDHC, MMC, micro SD/TF, micro MS/MS PRO,MS Duo/MS PRO Duo, micro M2 Supports Windows 7.0/98/98SE/ME/2000/XP/Vista, Mac OS X 9.0 and Linux 2.4 later version