What is a Cardboard VR Headset?

A Virtual Reality (VR) headset is a head-mounted device that creates an immersive, three-dimensional environment, making you feel as if you are actually inside the virtual world. 

A phone-based VR headset is a device with lenses and a smartphone holder that turns your smartphone into a virtual reality device. 

A Cardboard VR headset is a low-cost headset made from cardboard that uses a smartphone to create a virtual reality experience.