If however, you plan on also using your headset for, say, work meetings as well as gaming, an omnidirectional microphone will better pick up the sound of both you and your colleagues talking.

Source: https://www.pcworld.com/article/418660/the-best-gaming-headsets.html

The ROVR is an omnidirectional treadmill that comes with a VR headset, so allows the user to experience what it is like to walk, for example, across the Great Wall of China.

Source: https://www.dailymail.co.uk/sciencetech/article-11990703/London-Marathon-technology-help-runners-achieve-sub-two-hour-finish.html?ns_mchannel=rss&ns_campaign=1490&ito=1490