RFID blocking cards
2021-7-21u2002·u2002RFID blocking cards is used for protecting HF 13.56MHz smart cards, such as credit card, bank card, passport, etc, protecting your card informations from illegal scan. You only need put into 2pcs rfid blocking card in your wallet, the wireless signal of credit card can be effectively shielded, any devices couldn't steal your card information.
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