1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and We will not issue you arefund or replacement. There are no exceptions ! Shipping cost is bear by buyer.2. All returned items should be in the original packaging and you must provide us with the shipping tracking number, specific reason for the return, and your po#. 3. We will refund your full payment upon receipt of the item in its original condition and packaging with all components and accessories included, Afterr both Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement. 4. Please don't leave any negative feedback without communication with us , otherwise , we will not show you the refund or return .   Design service Our team has experience in all fields relating to product design and development. If you have any needs for your new product of wish to make future improvement, we are here to offer our support. ·Packing design ·Improved product mix