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You can't return it "no questions asked", but if the product doesn't work you can request them to make it work or refund if they're unable to.

If they don't want there is small claims court which is cheap and simple. I have used it in cases where some manufacturers would void warranty due to "water damage" after the product stopped working. In the end they paid: cost of purchase, cost to file, cost of my legal consultation, cost of expertise showing that there was no sign of water damage. Country - Poland.