You can access the software through these official channels:

Integrated Audio TransmissionA common struggle with screen mirroring is getting the sound to play through the PC speakers. Douwan 3009 includes internal audio drivers that sync the mobile device's sound perfectly with the video feed on the computer.

Even with a full download, errors can occur. Here is how to fix them:

Supports 4K ultra-clear video quality with ultra-high framerates of 60–100 FPS for zero-lag mobile gaming on PC.

While DouWan offers a free version, some advanced features or watermark-free mirroring may require a premium license. You can download the latest version from the following official and verified sources:

Can turn a mobile device into an HD webcam for PC use, leveraging superior mobile camera hardware for livestreams or video calls.