The Quest is Oculus' first all-in-one virtual reality (VR) headset. It is available for sale from today (May 21, 2019). It is also a truly wireless VR set, and uses the company's imaging and touch-sensor technology to deliver this. The Quest starts at US$399 for a model with 64GB of on-board memory.
https://www.notebookcheck.net/Oculus-Quest-now-available-starts-at-399-for-a-64GB-set.421264.0.html