This 2-in-1 Card Reader Cable is an SD (HC) reader and a mini-USB (2.0) cable combined. Plug into a USB device to charge and at the same time transfer data to your PC. At a length of about 90cm, it is compatible with SDHC / SD / MMC II / RS MMC / Ultra II SD / Extreme SD / Extreme III SD / MiniSD / T-Flash / MicroSD / MicroSDHC, although when the reader is working, the transfer function will be disabled. The cord is compatible with Windows 2000/XP/Vista and Mac OS 9.0 or higher at a price of a mere $12.00.