Visa card, mastercard, atm?

Debit Card - like an ATM card and VISA or MASTERCARD signs located in the lower right corner - this card as an ATM outside of the trigger will be used as a credit card that use limited amount equal to the amount you have in the checking account.

Service fee for the card depending on the goods and customers, banks may charge a fee or free services totally

The most expensive service charge and most conservative of HSBC (Household Bank Corp.) followed by Capital One

In my opinion, the Vietnam now no need to use a credit card (because service charges are too expensive for foreigners) and the number assigned to spend the money banks are too low (Credit limit). People in Vietnam could open checking accounts (checking accounts with banks in Vietnam and ask them for debit cards. Because this card Credit card just as well.