The XTEINK X3 Is the Weirdly Tempting Tiny E-Reader for Minimalists

The XTEINK X3 is the version you buy when the whole point is making an e-reader feel almost invisible in your daily carry. It takes the same anti-phone, distraction-free idea as the X4 and shrinks it down to a 3.7-inch screen and a 58g body that is closer to gadget curiosity than traditional e-reader.

That sounds niche, but it also explains why people are into these. The pocket e-reader trend is not really about replacing every Kindle. It is about building a reading device that fits into real life the way a phone does. That is why the category has picked up so much attention in 2026, especially among people who want less doomscrolling and more low-effort reading time.

Why the X3 stands out

The X3 is the purer version of the idea. XTEINK says it has a 3.7-inch 259 PPI display, 16GB of included storage with expansion up to 256GB, physical buttons, a magnetic pogo-pin charger, and battery life rated for roughly 10 to 14 days depending on use. It also adds gyroscope page turning and NFC, which gives it a slightly more experimental personality than the X4.

The biggest selling point is still the size. At 58g and 5.1mm thick, this is the model that really earns the pocket-reader label.

Why people like these mini e-readers

The broader appeal is simple. A phone is always with you, but it is terrible at staying just a reading device. A full-size e-reader is better for reading, but it is easier to leave behind. Tiny e-readers split the difference by giving you a dedicated e-ink screen that feels easy to carry all the time.

That is why this category is getting attention from places like Esquire and TechRadar. Smaller e-readers line up with how people already move through the day, especially if the goal is reading a few pages while commuting, waiting in line, sitting in a cafe, or killing dead time without opening social apps.

The catch

The X3 is definitely more compromised than the X4. The sharper 259 PPI screen is nice, but a 3.7-inch display is still very small. If you already know you want the most practical XTEINK, the XTEINK X4 article is probably the better match.

But if the tiny size is the reason you are interested in the first place, the X3 makes a stronger case than you might expect. It feels less like a regular e-reader and more like a reading accessory you happen to use every day.

Should you buy it?

Buy the X3 if maximum portability is the feature you care about most. It is the one for readers who want the smallest possible dedicated reading device and are willing to trade some comfort for that novelty and convenience.

If you are torn between the two models, the XTEINK X3 vs X4 comparison is the easier place to start.