The specifications of the hi-speed+ usb 2.0 multi slot card reader/writer are as follows:
supported card types: sd, mmc, rs-mmc, mini sd, t-flash, ms/ms pro, ms duo/ms pro duo, m2. mini sd, t-flash, and m2 can be used without an adapter.
installation: easy plug and play installation device.
power: no external power needed.
indicators: led light indicates read and write status.
design: slim size for easy portability.
speed: up to 480mb/s accessibility speed, compliant with usb version 2.0 specification.
operating system support: windows 98/98se/me/2000/xp/vista, mac os x 9.0, and linux 2.4 later versions.