VAQSO VR syncs with content using an API. Scents come out the holes in the front of the device based on timing or events preprogrammed into the VR contents.  It is capable of generating, muting and switching scents instantly.

The device is compatible with a variety of HMDs, including high-end HMDs (such as The Oculus VA, HTC Vive or PSVR) as well as smartphone based VR devices (such as The Daydream, Gear VR, Google Cardboard).