Fast Deals Today — taking money from my bank account after the first and only authorised payment

I bought a iphone charger cable for £1.53 on or around the 2nd january 2020. I did not get any confirmation email with terms and conditions and only agreed to one payment. The reference number on that payment is[protected].
Since then you have taken 3 further payment which i have not authorised
3/2/2020 £11.74
9/3/2020 £11.89
And 6/4/2020 £12.59 payment pending.

I would like you to cease and desist from taking any more money from my account and refund the above three payments also remove my details from your site and payment centre. I would like a confirmation email sent to [protected]@hotmail.co. Uk and any account deleted.
Kind regards
Amanda dean