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The blocking card adopts LASTEST 13.56MHz electronic blocking technology, when upon scanning, it will draw energy from the reader and emit an interferential signal to jam the transaction or hack. It creates a 6cm radius field, prevent skimming from your contactless device, so all your money and privacy info of bank cards, passport, driver license are safety
| Weight | 0.02 lbs |
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| Dimensions | 3.37 × 2.13 × 0.39 in |
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