We hand check every item before we deliver, so we guarantee the genuineness and quality of our items. If this item is defective upon receipt, customer has up to 14 days from date of receipt for exchange of a new one. (buyer should be sure the package in brand new condition). We offer free repairing service within 1 year of purchase. For the first 3 months of purchase, we will pay one way shipping cost (from China to your location), or the buyer the buyer need to pay 2 ways of shipping cost.