If your not a kickstarter backer & are looking to purchase one of the 2 pimax headsets that is available for retail sale you have:
1) Pimax 4k uhd with qhd input upscaled to 4k uhd.
- Has 1 4k screen (LCD). (1920*2160 per eye)
2) Pimax B1. Is Qhd Oled (1 screen like 4k) 2560*1440 (1280*1440 per eye)
The Pimax 5k is 2.5k/eye (2 screens clpl)