1. External USB2.0 card reader/writer with single SD/MMC slot.
2. Hot-swappable supported, plug-and-play, USB 1.1 /2.0 compatible
3. O/S supported: Windows98, 98SE, ME, 2000, XP, Vista, Apple Mac OS 8.60 or later and Linux2.4 or later
4. No driver required except Windows 9X
5. No external power required, just powered by USB port
6. High read speed: over 4.3Mbps, high write speed: over 1.3Mbps
7. SD/MMC Slot: SD, Extreme SD, Extreme III SD, UItra II SD, SD Pro, HS SD,SD Elilte Pro, UItra Speed SD, SD-Ultra-X, HS mini-SD,mini-SD, RS-MMC,MMC1, MMC2, MMC4.0, HS RS MMC, DV-RS MMC, RS MMC 4.0