1) Hot-swap supported, complying with USB 2. 0

2) Reader and writer supporting: CF, CFII, Micro Drive, SMC, XD, SD, MMC, MMCII, RS MMC, MS, MS Pro, MS Duo, and MS Produo

3) High reading speed: > 4. 3Mbps

4) High writing speed: > 1. 3Mbps

5) Icon beside the card slots, easy to distinguish

6) LED working indicator light

7) Supports Windows 98 / 2000 / XP, Mac OS V9. 2 or above

8) Size: 100 x 104 x 25mm