A new SD and microSD card holder in credit card format from Oda is free, and worldwide shipping is also free. In doing so, the company is aiming to convince customers of the quality of the product without spending a lot of money on advertising.https://www.notebookcheck.net/Free-product-with-free-global-shipping-Oda-Slim-Card-Holder-attempts-peculiar-marketing-strategy.947797.0.html
it's never for free, you are paying with your personal data 😉