Item NO: HT-21ASize: SilmDescription in detail:1. Support USB2.0 compliance with USB1.1;2. High speed data transfer rate up to 480Mbps;3. Read high speedover 4.3Mbps, write high speed over 1.3Mbps;4. All in one card reader, support SD/XD/MS/CF/TF/M2 and so on;5. Support windows98/2000/SE/XP/Vista and so on; 6. Fully plug and play and hot swapping support;7. LOGO printing are available;8.Colors are various;9.No external power required, just powered by USB connection cable;10. Lower power consumption;11. Slim size card, reader easy to carry.Ideal for gifts or promotional items.