Lianruilink stands behinds our products . Every product comes with lifetime product support as well as a one year or lifetime warranty . We offer the exchanged new product instead of return the old one when the product is about quality claims . In the event you encounter an issue ,please contact us and we'll be happy to help . 1. Eligibility : * 30 days from the purchase date ; * Exchange request submitted on lyq-link.com . 2. Exchange Shipping Costs : * For quality related claims , Lianruilink will be responsible for the exchanged products shipping costs . 3. Refunds : * We will send the exchanged products to replace the defective one . Then the defective one will be dealed with what you want it to be . Thus there is no refunds from our side finally , please kindly noted . Upon approval of your request , you will be instructed to exchange your order with a copy of the order invoice / receipt to the provided address . We will process your request within 5 days since we receive your order details and notify you by email .