The Xteink X4 is an ultra slim, ultra light E-Ink Ereader with a magnetic back that can attach to your smartphone and functions as a minimalist reading device for DRM-free ebooks.
Dimensions 114 × 69 × 5.9 mm Weight ~74 g Back Panel Built-in magnetic back for snapping onto phones or magnetic surfaces Build Etched glass front, ABS/plastic frame, anodized back panel Color Options Space Black, Frost White Price $69
Display 4.3″ eink, (800×480 resolution, ~220 ppi), no backlight Touchscreen No
CPU ESP32 microcontroller RAM 128 MB Storage 32 GB (microSD included) Expandable Storage 512 GB via microSD
Wi-Fi (2.4 GHz) for file transfer Bluetooth for accessories like page turners Buttons Power + page-turn buttons Ports USB-C (charging & file transfer)
Battery 650 mAh Battery life Up to 14 days (1-3 Hr per day)
E-books EPUB, TXT Images JPG, BMP (displayable) Fonts Custom fonts supported (may require conversion depending on font) DRM Only supports DRM free files – no direct access to Amazon/Kobo stores
On the go reading : pocketable and light for commuting or travel
Phone pairing: magnetic attachment makes it easy to read hands-free
Simple reading: ideal for DRM-free texts, educational PDFs, placeholder reading breaks
Extremely light and portable
Affordable (~$69)
Long battery life
E-Ink easy on eyes
Magnetic attachment (unique)
Lower resolution (220 ppi) than premium readers
No touchscreen or built-in light
No direct e-book store support
Limited formatting and font handling without workarounds
