The micro card can swipe the bound credit card. After swiping the card, it is estimated that it will be automatically credited to the savings card in the account binding in about 10 seconds. You don't need a POS machine, you just need to log in to the micro-card APP, which is simple to operate and in one step, while the credit card rate only needs 0.65%. The empty card repayment function of micro-card, as long as the arrears shown in the bill are repaid in full no matter how many times between the bill date and the repayment date. The consumption accounting during this period will be included in the next bill, which will not increase the current bill. As long as the available credit card amount is enough to pay the handling fee (that is, the total repayment amount is x 1.25%), you can use the micro-card empty card repayment function, pay it back first, then swipe it out, and pay off the current bill after repeated cycles, and the brushed amount will be included in the next bill.