Features: 1) Supports USB 2. 0 2) Max transfers 480Mbit/sec 3) External power supply not required 4) Plug and play 5) Support types: A) CF: Compact flash card B) SM: Smart media card C) MMC: Multi media card D) SD: Secure digital memory card E) Ms: Sony memory stick F) MS PRO: Memory stick Pro G) MD: Micto driver H) XD: XD picture mini SD I) Ms Duo J) Memory Stick Duo K) Ms Pro Duo 6) Supports Windows 98 SE/ME/2000/XP and MAC OS 8. 6 high