Woman using smartphone to make the payment at the supermarket. - stock photo

Close-up shot of a woman buyer in a supermarket pays for goods at a self-service checkout. Shot of a female customer making wireless or contactless payment using mobile phone. Unrecognizable woman paying for groceries at self-service checkout in supermarket. Customer making a contactless payment at the supermarket. Young woman purchasing groceries at the store, she is paying using a smart phone. Focus is on the phone.