Contact us

Free user support

Not sure how to get your douper product to work properly? Contact our world-class, friendly support team for quick solutions.

Email Address: service@douper.net

After sales guarantee

1. 30-day MONEY-BACK guarantee for ANY reason

For 30 days after the date of purchase, return your undamaged Douper product and receive a full refund for ANY reason.

2. 24-month warranty for quality-related issues

For 24 months after the date of purchase, we take care of all quality-related issues with a REPLACEMENT OR FULL REFUND.

Reminder: Be sure to use your product as directed.