A virtual reality headset is a head-mounted device that provides virtual reality for the wearer. Virtual reality (VR) headsets are widely used with video games. But they are also used in other applications, including simulators and trainers.
They comprise a stereoscopic head-mounted display (providing separate images for each eye), stereo sound, and head motion tracking sensors.
Head motion tracking senors may include gyroscopes, accelerometers, structured light systems. Some VR headsets also have eye tracking sensors and gaming controllers.