Review of the Onyx Boox Tab Ultra C – Kaleido 3 Color e-paper tablet

The Onyx Boox Tab Ultra C is gearing up to be one of the year's most prolific digital note-taking tablets of 2023. It employs the latest generation colour e-paper screen technology, Kaleido 3. The screen can display over 4,096 colour combinations at 150 PPI; black and white content, such as ebooks o...