13.56MHz headphone jack RFID reader can meet ISO14443A protocol and read high frequency 13.56mhz chip, such as MiFARE Ultralight®, MiFARE Ultralight® C, etc. The reader is portable. It’s easy to plug into the Android and IOS mobile phones and smart devices via 3.5mm audio jack. It’s compatible with most mobile devices, for instance, iPhone, iPad, iPod touch and Android phone and tablet.It could be widely used in mobile payment,personal RFID terminal apparatus,NFC electronic tag reading and writing, capital equipment inventory, intelligent browser tools, etc. The reading distance of reader can reach 2-3 cm.