McKAL SUPER compact series card reader comes in 3 models- SS, CF & Combo. Besides the common format of MS & SD-series, the latest high capacity format of MS Pro-HG DUO and SDXC (up to 2TB) are also a standard support in all models. In addition, SS, CF & Combo have enhanced features/functions that are unique to each (see comparison table for details). There is definitely one that fits your need. Get it now! This SUPER compact SS is the choice if you need to read SIM* card and/or Smartcard/Cashcard. Features SS-Smartcard/SIM card Super Compact Design SDXC & MS PRO-HG DUO support Direct support, no adapter needed Built-in 6.5cm USB dongle No blocking of adjacent USB port!