https://www.techradar.com/news/cheaper-smaller-microsoft-surface-tablet-has-passed-through-us-regulators

As first detected by German publication WinFuture, Microsoft has pushed a “portable computing device” through to the FCC (Federal Communications Commission) in the US, that's likely to be a new Surface tablet.

Microsoft has been rumored to be developing a budget Surface tablet with a 10-inch screen and USB-C for $400, aimed at tackling the iPad market with its more portable and lightweight design.