One of the ways OnePlus is building up hype for its upcoming smartphone is by hosting the world’s first-ever product unveiling in virtual reality. As cool as that is, however, it doesn’t do much for fans when getting your hands on a virtual reality headset isn’t exactly the easiest thing to do at the moment. That’s why OnePlus is giving away free cardboard virtual reality headsets to those who want to watch the OnePlus 2 unveiling.