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RFID Blocking Sleeve
Product Description
Item | RFID Blocking sleeve |
Material | Paper+ Aluminum foils |
Size | card sleeve: 88*59mm Passport sleeve: 110*140mm |
Working Frequency | HF, UHF |
Application | Protect credit card, drive lisense, bank card, ID card, passport etc can be as promotional gift. |
Manual | Just put the cards into the sleeve, the card's will be protected |
Notice | It's not working for low frequency |