Apeman Native 1080P Projector Mini Portable Movie Projector with 300" Large Screen, Up to Support 4K, Ideal For Home Theater,Family,Buiness - Walmart.com
About error code 208 for Steam VR : Pimax Support
Fix: HTC Vive Error 108 and Error 208 on SteamVR
OSVR HDK2 STEAM VR 108 error fix - helped for me - YouTube