If you have any problems with your purchase, Please reply to the mail which was sent to you after you received your wrist link and we will be glad to help you.
please email us and we will respond in a timely manner.
After receiving the product, if you have any problem contact us and we will solve the issue to your satisfaction.
We solemnly promise to make you confident to buy, we will provide 6 months warranty service and the best amazon customers service for you.