Pimax 5k xr (be) backers

[Hyperion]

https://community.openmr.ai/t/pimax-official-the-pimax-5k-be-is-being-officially-renamed-to-become-the-pimax-5k-xr/16762?u=hyperion

@anon74848233

In general, the specification and the price of the 5K XR is the same as the BE version and we will start shipping of 5K XR to Kickstarter backers who have switched their option to the OLED version by late March.