Unfair treatment on a product that never worked

I regret why I even stopped at the mall to listen ending up accepting the sale of something that has never worked, after numerous attempts with their IT trying to download the software this things never worked and I was being charged for this even though Lion minds was aware. I then requested a cancellation which was never actioned but was offered a product which I was told is better but I wanted nothing to do with Lion minds , the sale was rushed at the mall and was told I can cancel at anytime but it was a lie, on top of the debit they charging for a product tht never worked they want to charge me for cancellation and they sent me a contract. I regret ever dealing with Lion Minds its *******