MSR90 is a USB emulation keyboard interface that does not need any driver or software. It can work on TXT, Word, Excel, POS systems or any keyboard type. MSR90 is hand swipe operated magnetic card reading machine with USB interface, adopting high integrated magnetic card decoding chip. They have small electricity consumption and strong interference resistance. MSR90 comply with ISO-7811, 7812 magnetic card decoding standard completely. It can read card bi-directionally, has intelligent lights to alert if card data is read correctly. Exquisite magnetic installation structure makes card reading more stable and reliable, which is our patented technology. This product is very small and compact.