Bad Spectacles Products

Hi, I bought self focus spectacles from the above mentioned company. It states buy 2 pairs and get 2 pairs free. Which I received. I tried them all, can't see anything through these spectacles. When I want to return them all, they say I have to pay for the return shipping costs. Why must I pay for that as they don't work, not for far or near. This is like a ****, as now when I ask why I have to pay for the return shipping, they are not responding. What a waste of time, waited so long to receive and very disappointed in the product. This is not acceptable. Not even worth 1 star. Very bad advertising. Please return my money, as these spectacles are ****.