**Specifications:**
**Brand:** Haojixing
**Features:**
- Education Focused Brands
- 4.5-inch large screen
- Offline + voice translation
- Clear and large text display
- Original questions + knowledge point videos
- Synchronized question bank
- Efficient and portable
**Functionality:**
- Can explain questions
- Multi-line scanning
- 8 billion+ question bank
- Video explanations
- Support for quick understanding of homework
**Display:**
- 4.5-inch high-definition screen
- Multi-line scanning
- 99%+ accuracy
- Clear and vivid display
**Content:**
- 1.4 billion, 8 billion+ question bank
- Original questions + knowledge point videos
- Covers 9 subjects for primary and secondary school
- Accurate search rate of over 90%
**Design:**
- High-quality construction
- Large memory card support
- High-volume sound output
- Wide-angle scanning
- Single-line/multi-line translation mode
**Compatibility:**
- Suitable for primary, secondary, and high school students
- Aligned with the Ministry of Education's curriculum
**Additional Features:**
- Easy to download study materials
- High-quality sound output
- Flexible scanning and translation modes
**Product Parameters:**
**Brand:** Haojixing
**Screen Size:** 4.5 inches
**Language Support:** Chinese, English
**Scanning Modes:** Single-line, multi-line
**Display:** High-definition, large font
**Special Features:** Blue light reduction, voice translation
**Compatibility:** Primary, secondary, and high school subjects
**System:** Education research system developed by renowned schools and teachers
**Delivery Information:**
Nationwide delivery from 8 warehouses for fast delivery
Option to schedule delivery time
Delivery time subject to specific location
**Note:** Specifications are based on the provided text and may be subject to updates or changes.