单一的信用卡提醒

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 1 credit cards at the same time 4. When the card is taken out, the item can vibrate withoutsound 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. 5. Imprinting full colors Logo on the front card. 6. Good promotional gifts especially for Bank.