If you purchased from avantree.com, you have 30 days money back guarantee, starts from the date the product is shipped. To utilize this guarantee, pls email to firstname.lastname@example.org within this 30 days period. We will provide shipping label to arrange the item back.
After your item is received by our warehouse, we will refund your purchase in full. If you have any question about this issue or process, pls email us and state your order number and returned date.
If you purchased from Avantree_Direct store via amazon, you also have 30 days money back guarantee. You can return & refund following Amazon FBA standard policy.
If you believe your item is defective, pls contact us so we can help to troubleshoot or send you a return label to return the unit.