There is no possible way your card can be charged without your confirmation.
Nevertheless, if you found a purchase you don’t remember making, please contact your payment provider to get a refund.
We don't have our own payment system and any access to your payment information, thus we are not able to make a refund
If you want to prevent such purchases, we advise you the following:
Use two-factor authentication;
Make sure no one else has access to your device and card.