Customer Service

12-month warranty

For 12 months after the date of purchase, we take care of all quality-related issues with a REPLACEMENT OR REFUND.


Our returns and exchange service is limited to all purchases made directly from lumsing. If you purchased through a different retailer, please contact them directly. (Unauthorized reselling of lumsing products is prohibited.)

Free user support

Any questions and suggestions are welcomed to us,we will all day long service for you in business working days.Contact email: will response to you as soon as possible.