ACR122T Portable USB NFC Tag Reader & Writer + 5 Bonus NTAG213 NFC Tags ACR122T supports all major ISO14443 chip types and major computer operating systems Read, write and perform NDEF NFC tag actions on Windows desktops and laptops Portable USB thumb drive shape is easy to carry with you and use on the go. ACR122T NFC reader has a large NFC tag reading range for fast reading and writing speeds Includes 5 bonus NTAG203 BullsEye 38 mm circle NFC tags