A DK1 Oculus Rift headset being worn at the FLUX Innovation Lounge at Engage in London, as social media giant Facebook announced yesterday that it had an agreement in place to buy
Oculus Rift Development Kit (DK1) - Review 2013 - PCMag UK
GDC 2014: Oculus Rift Developer Kit 2 (DK2) Release Date and Pre-order
Oculus Rift DK1 VR Headsets for sale | eBay
Do someone remember Oculus Rift DK1? Look at this comparison between the DK1 and the Quest! : r/OculusQuest