<ul><li>This model canNOT work with smartphones or app EasyMSR. It works with computer and laptop by USB cable only.</li><li>MSR X6 Card Reader Writer.</li><li>USB Interface.</li><li>Provide free software for Windows and Mac computers.</li><li>Card Reader Size: 5.5 * 1.6 * 1.6 inches.</li></ul> MSR X6 Card Reader Writer with USB Interface This model canNOT work with smartphones or app EasyMSR. It works with computer and laptop by USB cable only. MSR X6 Card Reader Writer. Provide free software for Windows and Mac computers. Card Reader Size: 5.5 * 1.6 * 1.6 inches.

MSR X6 Swipe Card Reader Writer 3-Track USB MSRX6 Compatible w/ MSR206 MSR605X MSR606