DropOS

1. Eye-Caring 3.7'' E-Ink Paper-like Screen Adopts 3.7-inch non-backlight electronic ink screen with 792×528 resolution, 259PPI high definition, restores real paper reading experience. No blue light & no backlight, effectively protect your eyes during long-time reading, perfect for book lovers, students and elders. Without touch screen design to avoid accidental misoperation, focus on immersive reading. 2. 58g Ultra Slim Pocket Portable Design Only 58g lightweight body, dimension:98×64×4.98mm, ultra thin as bank card, easy to slip into jeans pocket, handbag or wallet. Available in Starry Black & Mist Grey two classic colors, comfortable hand grip for daily commute, business trip and outdoor travel. 3. Stable Hardware & Long Endurance Battery - 650mAh low-power battery: Thanks to e-ink low power consumption, weeks of standby with daily reading, no frequent charging needed for long journey. - 16GB TF extended storage: Store thousands of e-books offline, read without internet limit. - Physical buttons on side & bottom: Simple button control for page turning, easy to operate for all ages. 4. Wide File Format Compatibility Ebook: Native support TXT / EPUB / XTC; PDF & MOBI files can be converted into XTC for reading. Image: JPG, PNG format available for comic, picture and study material browsing. Custom Font: Support BIN font file import, adjust font style freely for personalized reading. 5. WiFi & Bluetooth + Magnetic Charging Port Comes with 2.4GHz WiFi + Low-energy Bluetooth: Fast file transfer and ebook download via WiFi; Bluetooth for data sync. Unique magnetic PIN charging port, one-click adsorption charging, prevent port damage from repeated plugging. 6. Wide Application & Perfect Gift Choice Office commuter: Kill spare time on subway/bus, get away from phone distraction. Student: Store textbooks, novels and vocabulary books, eye-friendly instead of smartphone reading. Elderly readers: Easy physical button operation, eye-safe ink screen for long reading. Ideal present: Exquisite compact package, great gift for book fans on birthday, holiday, Christmas. .