Product Review
1. MIFARE Classic 1K Chip
2. 13.56MHZ
3. Blue color
4. ABS Material,waterproof.
5. With metal ring.
6.can work with RC522 and PN532
7.block 0 can't change,UID Can't change.
8.ISO14443A
MIFARE and MIFARE Classic are trademarks of NXP B.V.