It has no impact. If the balance is insufficient, it means that there is not enough money in the credit card and you need to make up the difference before using it.

The POS machine can accept credit cards.

The relevant functions of the POS machine are as follows:

1. It is suitable for large and medium-sized supermarkets, chain stores, hypermarkets, large and medium-sized restaurants and all high-level management retail enterprises.

2. It has IC card function and can use membership cards, internally issued IC cards and securities.

3. Can speak clearly. Can be connected to a variety of external peripherals such as scanners and printers.

4. It has the management functions of large chain supermarkets such as front and back-end purchase, sales, storage and distribution.

5. The catering type has catering service functions and can be connected to various peripherals such as multiple kitchen printers and handheld ordering machines.

6. It can realize unattended remote communication with PC and download data.

It has Ethernet communication function and forms a head office and branch network real-time management system through ADSL broadband.

So the POS machine can swipe credit cards.