Can I use online reading or install other reading apps?
No. X4 features a closed operating system designed for a distraction-free reading experience. You can easily transfer eBooks via WiFi, SD card, or the official app.
What file formats are supported by the reader for books/comics, images, and fonts?
The reader supports the following formats:
Books/Comics:xtc, xtch, xtcz, txt, epub
Images:xtg, xth, jpg, png, bmp
Fonts:bin
Note:mobi and pdf files can be automatically converted into supported formats when transferred via the app.
How long does the battery last?
Battery life can last for weeks on a single charge with light use. Heavy use may last around 2 days, while casual reading can last up to about a week.
Does it have a front light?
No. X4 is designed without a front light to maintain an ultra-thin body and deliver a clearer, paper-like display. For the best experience, we recommend using it in a well-lit environment or with an external reading light.
How can I transfer eBooks?
Supports multiple transfer methods, including SD card (16GB card and reader included), WiFi transfer (via mobile or computer), and the official app.
Can I use online reading or install other reading apps?
No. X4 features a closed operating system designed for a distraction-free reading experience. You can easily transfer eBooks via WiFi, SD card, or the official app.
What file formats are supported by the reader for books/comics, images, and fonts?
The reader supports the following formats:
Books/Comics:xtc, xtch, xtcz, txt, epub
Images:xtg, xth, jpg, png, bmp
Fonts:bin
Note:mobi and pdf files can be automatically converted into supported formats when transferred via the app.
How long does the battery last?
Battery life can last for weeks on a single charge with light use. Heavy use may last around 2 days, while casual reading can last up to about a week.
Does it have a front light?
No. X4 is designed without a front light to maintain an ultra-thin body and deliver a clearer, paper-like display. For the best experience, we recommend using it in a well-lit environment or with an external reading light.
How can I transfer eBooks?
Supports multiple transfer methods, including SD card (16GB card and reader included), WiFi transfer (via mobile or computer), and the official app.
