Archive · 6 Dec 2025
Xteink X4: Tiny E-Reader for iPhones
A company called Xteink made a small e-reader called Xteink X4.
It has a 4.3-inch screen and can stick to the back of an iPhone using magnets.
It can also work on its own.
The e-reader has a small battery that can last up to 14 days if you use it for a few hours each day.
It has Wi-Fi and Bluetooth so you can connect it to other devices.
It weighs about as much as a few sheets of paper and has a tiny bit of memory, but it can store lots of books on a microSD card.
Xteink X4 is a compact e-reader with a 4.3-inch e-ink screen.
It magnetically attaches to the back of iPhones with Qi2 or MagSafe support.
The device weighs 74 grams and can be used as a standalone e-reader.
It is powered by an ESP32 microcontroller with Wi-Fi and Bluetooth support.
The Xteink X4 has a 650mAh battery offering up to 14 days of battery life.
- Who
- Xteink, a Chinese company
- What
- Xteink X4, a compact e-reader
- When
- Recently unveiled
- Where
- China
- Why
- To provide a portable e-book reading experience
- Manufacturer
- Xteink
- Model
- X4
- Screen Size
- 4.3-inch e-ink
- Weight
- 74 grams
- Storage
- 32GB microSD card
- RAM
- 128MB
- Battery
- 650mAh (up to 14 days)
- Connectivity
- Wi-Fi, Bluetooth