For problems after the transaction, our shop can provide services. 1. If you have not received the package before the end of the protection period, you can contact me and I will help you extend the protection period of the product. 2. If you have any problems with the product in your hand, please don`t give me bad feedback! Contact me first and send the package number and picture of the product. I will deal with your problem immediately until you are satisfied. 3. After you confirm the receipt, please give me a good review. Our store is eager to get your approval and good feedback.