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Light, clear, all-day focus
Choose the eReader that best fits your reading style.
X4 Classic
Newest
Best for
Everyday reading
Display
4.3"
Control
Buttons
Storage
16GB, expandable to 256GB
Transfer
App transfer / microSD Card
Battery
920mAh
Weight
≈68g
Magnetic Backplate
Yes
Front Light
No
Supported Formats
TXT, EPUB, MOBI, PDF, PNG
X4 Pro
Best for
Day & night reading
Display
4.3"
Control
Touchscreen + Buttons
Storage
16GB, expandable to 256GB
Transfer
App transfer / microSD Card / USB
Battery
1100mAh
Weight
≈72g
Magnetic Backplate
Yes
Front Light
Yes
Supported Formats
TXT, EPUB, MOBI, PDF, PNG
X3
Best for
Ultra-light carry
Display
3.7"
Control
Buttons
Storage
16GB, expandable to 256GB
Transfer
App transfer / microSD Card
Battery
650mAh
Weight
≈58g
Magnetic Backplate
Yes
Front Light
No
Supported Formats
TXT, EPUB, MOBI, PDF, PNG