First, at present, as long as they are normal credit card swipers, they can swipe their credit cards, including their own.

Second, but don't brush too much, it will be misunderstood as cash.

Knowledge expansion

1.pos machine is a terminal reader equipped with bar code or OCR code technology, which has the cashier function of cash or barter bank. Its main task is to provide data services and management functions for commodity and media transactions, and to carry out non-cash settlement.

Second, the POS machine reads the magnetic stripe information on the cardholder's bank card through the card reader, the POS machine operator inputs the transaction amount, and the cardholder inputs the personal identification information (i.e. password). The POS machine sends the information to the issuing bank system through the UnionPay center to complete the online transaction, give the information of success or failure, and print the corresponding bill. The application of POS realizes the online consumption of credit cards, debit cards and other bank cards, ensures the safety, rapidity and accuracy of transactions, avoids complicated labor such as manual blacklist inquiry and bill pressing, and improves work efficiency.

Third, it can be installed in special merchants and acceptance outlets of credit cards and connected with computers to realize automatic transfer of electronic funds. It has the functions of supporting consumption, pre-authorization, balance inquiry and transfer, and is safe, fast and reliable to use.

Fourthly, it is difficult to obtain basic business information in bulk transactions, and the introduction of POS system is mainly to solve the blind spot of retail information management. Pos machines are suitable for large and medium-sized supermarkets, chain stores, hypermarkets, large and medium-sized hotels and all high-level retail enterprises.