Features: *USB Plug and Play. *0-8cm Reading Distance. *Win8/7/XP/Android Supported. *TK4100/EM4100/EM4001 Supported. *OTG Phone Connection. *Built-in buzzer and LED for identification. *Widely used at home, school, office and other places. About Use: 1. Connect with computer through the USB cable inside. 2. Open notepad or a word document. 3. Put card on the top of the reader. 4. The document will output card number automatically. Discounted at only: US$ 8.39 
