On November 2nd Weasel Labs launched a crowdfunding campaign for their upcoming VR peripheral designed provide wind in any VR game. Yeah, you read that right -- a wind accessory for VR. And after only four days, the experimental product has been fully funded.

The ZephVR is a distinctive accessory, that is attachable to VR headsets like the HTC Vive. According to Weasel Labs, this product uses machine learning technology, which allows the accessory to recognize events within a title’s audio track, thus activating the two fans when applicable. For example, if you are driving in a car with the top off, or a bullet brushes past your ear. Additionally, depending on the the volume of the audio cue, one fan will spin faster than the other.

The company also confirmed that the ZephVR offers two modes depending on user preference, an ‘autonomous mode,’ which allows the software to automatically initiate the ZephVR’s fans to precisely correspond with events when playing a game. As well as ‘always-on mode’ which provides a constant breeze to keep players at a comfortable body temperature.

The device's Kickstarter goal has made $39,286 from 372 backers and is compatible with Oculus Rift, HTC Vive, and PlayStation VR and is anticipated to launch in May 2018. The campaign still has 27 days to go until it ends with several backing tiers still available, including the PlayStation VR early bird offer for $79.