battery
3700mAh, roughly 7–10 days standbyE-Ink screens draw far less power than LCD or OLED, so a modest battery lasts weeks if you read a few hours daily, though continuous heavy use will drain it in a day or two.
display
10.3-inch e-Ink color, 301 ppiScreen matches a paperback page size and sharpness (same resolution as a book print), with limited color palette suitable for documents and sketches but not photos.
storage
64GB internal, microSD slotEnough for thousands of PDFs and notes; microSD lets you add up to 1TB more for libraries of scanned documents or backup files.
performance
2.4GHz Snapdragon, 4GB RAMHandles reading, annotation, and handwriting input without lag, but struggles with heavy multitasking or games; designed for note-taking and ebooks, not productivity apps.