MOSTOP&reg; Contactless Smart IC Card Reader/Writer, Up to 10cm Proximity Sensor Distance Reader, Plug and Play USB Card Reader Supporting different OS. Windows 2000/ 7/8/XP /NT /ME /Vista. Identity verification, data exchange & contactless transaction. Connects to PC to read the RFID tags and update to the application. It is ideal for both secure personal identity verification and online micro-payment transactions. It is a PC-linked contactless smart card reader/writer developed based on the 13.56 MHz Contactless (RFID) Technology.