</p> MSRX6BT Swipe Card Reader Writer.</br> With USB and Bluetooth interfaces.</br> Working with PC computers and smartphones.</br> Free software for Windows and Mac computers. Paid app EasyMSR for iPhone/iPad and Android Phones. (You need to buy the app EasyMSR separately if necessary.)</br> Small Card Reader Size: 5.5 * 1.6 * 1.6 inches.</br>