E-Ink Digital Paper Tablet is about the size of an A4 or US Letter paper - CNX Software
Sorry, color e-readers are a flop (for now)
Oraako New Ebook Reader 12 Inch 10 Inch 7.8 Inch 6 Inch Android 11 Quad Core Ebook Reader Tablet with WiFi Bt TF E Reader Ebook - China Ebook Readers and Ebook
Top 5 Best Portable e-readers of 2022 - Good e-Reader
The Best eReaders for 2023 | PCMag
The 5 best e-readers of 2023 | ZDNET
Vtex Cheap Ebook Reader OEM ODM 12 Inch 7.8 Inch 10 Inch 6 Inch Ebook Reader Tablet Optional Bt WiFi Quad Core E Reader Ebook - China Ebook Readers and Ebook Reader
E Ink Releasing New “Print-Color” Screens for eReaders and Notebooks | The eBook Reader Blog
Lenovo ThinkBook Plus Gen2 in review: E-ink laptop with touchscreen - NotebookCheck.net Reviews
Onyx reveals BOOX Page 7-inch E-Reader with Android 11 and octa-core CPU - NotebookCheck.net News
PocketBook Viva eReader has an 8 inch E Ink Gallery 3 color display (and more devices with the same screen are coming in 2023) - Liliputing