Ordered an iphone and told it ll be 7 - 10 days fo...

Ordered an iphone and told it ll be 7 - 10 days for delivery.
Nothing delivered.
I cancelled my order.
Told I ll need to wait 14 days for a refund.
No refund.
No reply to my emails.
Now claiming my money back via my credit card.
THEY ARE BASICALLY A SCAM. NO NOT USE THEM.