ONETAK Mifare Contactless Card Reader Usb 14443A Mifare S50 Mifare S70 Mifare Pro Mifare UltraLight Nxp Nfc Ntag203 Ntag213 Ntag215 Ntag216 Mifare Desfire Ev1 Output 2H 4H Compatible Mifare S50/Mifare S70/Mifare Ultralight/Mifare Pro/Mifare Desfire Compatible Mifare Ultralight NXP NTAG203/Mifare Desfire EV1 Plug in and Play, USB 1.1 interface. No external power source needed Default output 2H+4H(8 bits), can change output format by software