... .1/2.0 ,Interface:usb 2.Plug and play hot swapping 3.High speed datatransmission 4.Interface:USB - Lightweight, compact and ... shows etc - Built-in LED indicates power, read/write - High speed USB 2.0, supports plug and play, easy to use - ... card- No external power required. - Support Windows98, 98Se, Window 2K, Windows XP, Mac8.6 and above,Linux 2.4 Card Reader ,High speed data transmission card reader ...