Using Audio Assets
Audio assets are used to add an audible dimension to your experiences, you can play a sound when the user touches a 3D model or a button, or when an animation ends for example.
To add an audio asset just click the + button in the Assets Manager‘s toolbar and select the Multimedia Asset type, a popup will be displayed:

Drag & drop the chosen file into the provided area.
Requirements
Regarding audio assets, the following requirements and recommendations hold:
- File types: MP3, WAV
- File size (MB): < 4