Refund

All products after they make, they check it in factory to make sure its working good, but for sure:

You can return any unopened, unused product with its packaging or tags intact to us within 10 days of receiving it for a full refund or exchange. We’ll replace it with one that you think will work for you.

We will send you a replacement product of similar value free of charge
We will make you happy after all no worry.