XTEINK X4 E-Book Reader (Developer Edition) – 4.3" Pocket E-Ink, Page-Turn Buttons, Mist Gray, 16GB

Overview

Meet the XTEINK X4 E-Book Reader, a pocket-sized companion built for focused, distraction-free reading. Weighing just 2.72 oz and measuring 0.23 inches thick, it slips into a jacket pocket or compact bag with ease. The 4.3-inch E-Ink display offers a natural, paper-like reading experience with minimal glare, while the tactile page-turn buttons keep your attention on the text rather than on a screen.

Key advantages

• Ultra-light, pocket-friendly form factor designed for reading on the go
• 4.3-inch E-Ink display delivers glare-free, paper-like readability
• Physical page-turn buttons provide tactile control and a comfortable reading rhythm
• 16GB of built-in storage to carry thousands of titles without subscriptions
• Up to 14 days of battery life on typical reading sessions, reducing charging interruptions
• Premium glass etching and a durable, thin chassis for everyday use
• Magnetic-ready design for easy attachment to surfaces or accessories
• Dedicated reading experience with no notifications, letting you stay immersed
• Overseas models purchased through official channels do not restrict third-party firmware

Real-life use cases

• Commuting or travel reading: slip it into a pocket and read during transit
• Offline library: store thousands of titles in 16GB, ready wherever you are
• Study and research: enjoy a focused, glare-free surface that’s easy on the eyes over long sessions

How it works

The X4 combines an ultra-thin body with a crisp E-Ink panel. The 4.3-inch display is gentle on the eyes, even after extended reading, while the physical page-turn buttons deliver immediate control. The device offers ample storage, a lightweight profile, and a distraction-free environment that emphasizes the content in your hands.

Design and durability

Crafted with a premium glass surface and a robust, slim frame, the X4 is built for daily use. The magnetic-ready design adds flexibility for attaching accessories or mounting it in convenient spots, while the minimalist Mist Gray finish keeps the look understated and modern.

Firmware openness note

Overseas models purchased through official channels have not, and do not plan to, restrict users from installing third-party firmware, preserving a sense of customization for those who value it.