Fifth Third Bancorp is offering a payment card that lets users pay from either a credit or debit account.

The Cincinnati bank said Wednesday that it is the first U.S. card issuer to offer such a product. Customers using its MasterCard-branded Duo Card to pay for funds using a line of credit or with funds from their checking account.

Customers would select either the credit or debit option when paying at the point of sale. Users can also withdraw funds from their checking accounts at ATMs.

"Many consumers see the value in both debit and credit options and choose their payment method at the point of sale for a variety of reasons," Jon Groch, the senior vice president and director of bankcard services at Fifth Third Bank, said in a press release.