On: Daylight Computer – New 60fps e-paper tablet

[nfriedly]

The minisforum v3 is a windows tablet that can also act like a monitor - https://www.minisforum.com/page/v3/index.html?lang=en

And, I think the lenovo yoga tab 13 is an Android tablet with a similar feature: https://www.lenovo.com/us/en/p/tablets/android-tablets/lenov...