Explore the differences to find your perfect match and complete your purchase faster.
Use our side-by-side comparison below to see which model best fits your daily reading habits and tech needs.
| Products | X4 Pro | X4 | X3 |
| Best for | Day and night reading | Daily focused reading | Ultra-light portability |
| Display | 4.3" | 4.3" | 3.7" |
| Control | Touchscreen + Buttons | Buttons | Buttons |
| Storage | 16GB, expandable to 256GB | 16GB, expandable to 256GB | 16GB, expandable to 256GB |
| Transfer | USB / App transfer | App transfer / Scan code | App transfer / Scan code |
| Battery | 1100mAh | 650mAh | 650mAh |
| Weight | 72g | 77g | 58g |
| Magnetic Backplate | Yes | Yes | Yes |
| Front Light | Yes | No | No |
| Supported Formats | TXT, EPUB, MOBI, PDF, JPG, PNG | TXT, EPUB, MOBI, PDF, JPG, PNG | TXT, EPUB, MOBI, PDF, JPG, PNG |
| Order Link | Order Now | Order Now | Order Now |