Description Description: brand new and high quality Housing Material: plastic Color: Black This is a card reader, card reader support. It does not support write. Directly into the computer can use. You do not need to download the program. THX. Product Introduction: USB card issuer implements the serial number of the card directly to a computer via the USB port, users do not load when using any driver, no external power supply, the card issuer is connected to the computer USB port, card indicator alternates red and green, until you hear even after the buzzer beeps twice, only the red light indicator shows, you can start card, credit card after the card number is displayed at the cursor location. Technical parameters: Support systems: using common systems support USB keyboards Operating frequency:13.56MHz Support Card13.56MHz MF1 S50 card and compatible card Reading distance: