Your product looks so good, congratulations on your launch.

Have you considered making a standalone devices with just sensors (think data only mode) and letting the users hook up their data on any eink dashboard of their choice.

Below are some of the example of community created Air Quality dashboards[1] installable on any e-ink hardware[2].

[1] https://usetrmnl.com/recipes/62233, https://usetrmnl.com/recipes/23306

[2] https://github.com/usetrmnl/firmware/

Disclosure: I work at TRMNL.