Differences between tethered and wireless VR
To experience Virtual Reality (VR) you need to wear a VR headset. The VR headset is connected to a computer which plays the VR game or experience. When the headset is connected by a cable to the computer, this is considered to be tethered VR.
There are also different types of tethered VR. You can be tethered to a desktop computer where you are fixed in one spot and cannot move around beyond the length