The 9 Best Virtual Reality Headsets of 2021
https://www.lifewire.com/best-virtual-reality-headsets-4060322
In virtual reality, degrees of freedom refers to positional tracking and how you move and view the virtual world. The two main categories are three degrees of freedom and six degrees of freedom. Three degrees of freedom is also referred to as rotational movement, because you can tilt your head from side to side, nod your head up and down, and rotate your head from side to side.
DA: 30 PA: 50 MOZ Rank: 80