Tech Support

Contact us to get support from our support expert. We’ll help you fix your issue or set up and repair. Before you contact us, be ready with the serial number of your device and your VIP ID.


Tel: +86-755-8837 7814

Service Time: Monday to Friday,9:00 -12:00 AM,14:00 - 18:00 PM

Update your software and drivers to the latest version to get better using experience.

Product Manual

Software Update


User Manual

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旷世科技 | Questyle Audio 2020