(1) The product has not been opened within 7 natural days after receiving the product and it is brand new and unused （Please refer to point 3 for the deduction standard） (2) If the product is found to have manufacturing defects within 15 natural days after receiving the product, you can apply for a return and refund service; it is not within the scope of the return and refund service due to use on the ground or other circumstances that affect secondary sales. (3) If the return is caused by the customer's own reasons, Exway will charge a 5% order operation fee and deduct the shipping cost of the original order. Return & Refund Service will not be provided where: (1) It is requested beyond 15 calendar days of receiving a product. (2) A product sent to Exway USA for Return & Refund Service does not include all original accessories, attachments, or packaging, or any item that is not new, i.e. with cracks, dents, or scratches. (3) Legal proof of purchase, receipt, or invoice is not provided or is reasonably believed to have been forged or tampered with. (4) Any fault or damage of the product is caused by unauthorized use or modification of the product, including exposure to moisture, entry of foreign bodies (water, oil, sand, etc.), or improper installation or operation. (5) Product labels, serial numbers, waterproof marks, etc. show signs of tampering or alteration. (6) Damage is caused to the product by uncontrollable external factors, including fire, floods, high winds, or lightning strikes. (7) A product is not delivered to Exway USA within 15 calendar days after Return & Refund Service confirmation is sent from Exway. (8)During the warranty period, once the product is used and fails, Exway USA will send the corresponding accessories to the customer for replacement, and will not accept the replacement of the entire product. (9)Other circumstances are stated in this policy.