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1. Prevent the Credit card, ID card from loss after using;
2. Smart MCU controlled design, the remind frequency increase steadily to have the zero interruption for the user.
3.Card design,easy to carry in the purse or bag, It can store 5 credit cards at the same time.(or 3 cards optional);
4. When the card is taken out, the item can vibrate without sound to remind the owner.It will remind per 10 seconds in the first half a minute, and then remin per 5 seconds after the half minute.
Credit card reminder