Lenovo is introducing a standalone Google Daydream headset that doesn't require external power or video signals, alongside a VR camera that allows easy 3D VR ready photo and video capture.
https://www.notebookcheck.net/Get-lost-in-a-mirage-with-the-wireless-Lenovo-Mirage-Solo-VR-headset-and-Mirage-Camera.276862.0.html