Product review
What is the Bigme B7?
The Bigme B7 is a compact 7-inch color E-Ink device that tries to do a lot more than turn pages. Under the hood it runs a full open Android 14 system with 8GB of RAM and 128GB of storage, which means it isn't locked into a single ecosystem — you get access to the Google Play Store, third-party reading apps, and general Android apps, something most dedicated e-readers don't offer.
It's built around a Kaleido 3 color e-paper panel, delivering sharp 300PPI resolution for black-and-white text and roughly 150PPI for color content. On top of that, it packs handwriting support with a stylus, a 5MP rear camera for scanning documents or notes, Bluetooth, Wi-Fi, and — depending on the variant — 4G cellular connectivity, which is unusual for a device this size.
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| Reading on the Bigme B7's 300PPI color display |
Key specs at a glance
What stands out most in independent hands-on tests is how far Bigme has pushed this form factor beyond "just an e-reader." Reviewers consistently describe it as sitting somewhere between an e-reader and an Android tablet — one write-up called it a device that combines eye-friendly e-paper technology with genuinely useful mobile computing, rather than the stripped-down interfaces typical of dedicated readers.
Strengths and weaknesses
What works well
- Sharp, print-like 300PPI text rendering for reading
- Full Android 14 with Play Store — not locked to one app ecosystem
- Generous 8GB RAM + 128GB storage for a device this size
- Compact and lightweight (around 215g), easy to hold one-handed
- Useful extras: stylus handwriting, 5MP camera, physical page-turn buttons
Points to consider
- Color resolution (~150PPI) is noticeably softer than the B&W mode
- Stylus pressure sensitivity has been described as inconsistent in some reviews
- File transfer and companion cloud app have received mixed feedback
- If you want the fastest refresh rates or best handwriting latency, the higher-tier B7 Pro is the better pick
Who this is a good fit for
The B7 makes the most sense for readers who also want a genuinely usable Android device in their pocket — someone who reads ebooks and comics, takes handwritten notes, occasionally scans a document, and wants Wi-Fi/4G connectivity without carrying a separate tablet. If your priority is pure, no-frills text reading with the longest possible battery life, a monochrome e-reader will still serve you better. But for anyone who wants a color, connected, all-in-one e-paper device, the B7 covers a lot of ground for its price point.
A genuinely versatile color E-Ink device that goes well beyond typical e-reader functionality, held back only by a few software quirks that are common across this category.
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