What is a Klarna card, and why do I need it?

Klarna card is the actual payment method you use if you choose to pay with Klarna in MobilePay. You can only pay with Klarna in MobilePay if you already have an active Klarna account and have created a Klarna card that is added to your MobilePay. The Klarna card is a Visa card issued by Klarna.