Choose 20 pieces of CUID Magic NFC Cards Easily change the UID and sectors with your Android phone or any other compatible device including IOS. These cards unlike other ones ypu find, are fully change-able with your phone. No need for expensive card reader. If you do have a card reader, and wish for alternative cheaper cards please ask! Clone and duplicate MIFARE Classic 1K cards with writable data blocks Compatible with most NFC-enabled Android devices Perfect for testing, security research, access control, and DIY projects Cards operate at 13.56MHz frequency (High Frequency) Ready to use—no extra equipment needed Ideal for developers, hobbyists, and security enthusiasts
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