After receiving the products from us, please keep the package and enclosed documents properly. It is because they are all necessary to provide if you return defective product(s) in the future.

    1. Email our customer service and provide your name, email address, phone and invoice.

    2. Repack the original package with everything received, including enclosed documents.

    3. Missing of any original components may incur a refusal of exchange or refund from us.

    4. You should insure the package is returned in intact to reduce loss that you may suffer.