Seems like amazon found out about the mistake shipped items. Received this email today.
"We're contacting you about order #0000000000. We've recently learned the seller for this order provided you with an unintentional refund.
We'd like to have your permission to charge your original payment method for the amount of $33.47. Please reply to this e-mail with "Yes" if we have your permission to do this.
Thanks for your cooperation. We look forward to seeing you again soon."