Hi I sold a set of 3 new (unused, unopen, sealed by manufacturer) computer parts on eBay (got paid via PayPal) with "no returns accepted" since the technology was outdated + the parts were manufactured more than 13 years ago (which was clearly seen on product label. The buyer wrote to me 90 days after the transaction date and said one of the parts malfunctioned. He wants a refund. What are my options? Am I obligated to refund him what he paid? Everything was as described, I attached pictures, he opened protective foil and utilized the items. They are of no use to me now
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