75 Inch Online Intelligent Teaching Integrated Electronic Blackboard 3840X2160
Product Overview
Smart Board Interactive Board All In One Office Whiteboard/Smart Board Hot Sale
As an important tool in modern education, the teaching blackboard has been constantly evolving. This 75-inch smart blackboard all-in-one teaching electronic blackboard combines the advantages of traditional blackboards with the convenience of modern electronic devices, providing educators with an innovative teaching experience.
Key Features
Large Display Area: The 75-inch screen provides teachers with a wide display space for presenting courseware, drawing charts, or playing interactive games with clear and vivid visuals.
All-in-One Functionality: Supports multiple input methods including touch screen, stylus, and voice recognition. Integrated teaching tools include a rich courseware library and online resource links for quick access to teaching materials.
Internet Connectivity: Enables online teaching and distance education models. Teachers can interact with students through the blackboard and record class content for student review. Students can also conduct independent learning at home.
This smart blackboard not only provides an enhanced teaching experience but also promotes innovation and progress in educational methods for both traditional classrooms and online education platforms.
Technical Specifications
| Product Name |
75 Inch Smart Digital Blackboard |
| LCD Type |
D-LED |
| Physical Resolution |
3840×2160 or 1920×1080 |
| Brightness |
350 cd/㎡ |
| Contrast Ratio |
1200:1 |
| Screen Scale |
16:9 |
| Viewing Angle |
178° |
| Color |
10bit, 10.7 |
| Video Format |
PAL, NTSC, SECAM |
| Sound System |
D/K, B/G, I, M |
| Android System |
9.0, 11.0, 13.0 |
| Android System EMMC |
32G, 64G |
| Android System DDR3 |
3G, 8G |
| Computer VGA Input Support |
640×480/800×600/1024×768/1280×768/1280×800/1280×960/1280×1024/1360×768/1440×900/1600×1200/1920×1080@60Hz |
| Touch First Response Time |
<15ms |
| Input Ports |
Front: 2×HDMI2.0 (up to 3840×2160/60Hz), 1×VGA+AUDIO, 1×USB 2.0, 1×USB 3.0, 1×TOUCH-USB, 1×RS232, 1×TF Card, 1×LAN IN (10M/100M), 1×WIFI (2.4G/5G), 1×Bluetooth (support 4.0), 1×standard OPS (up to 3840×2160/60Hz, built-in 10M/100M LAN) Front: 1×HDMI (Max Support 3840×2160/60Hz), 1×TOUCH USB, 3× Reuse USB |
| Output Ports |
Post output: 1×COXIAL, 1×EARPHONE |
| Front Buttons |
11KEY (POWER, SOURCE, MENU, VOL+, VOL-, REC, A.Blue, PC, ES, RATIO, HOME) |
| Rated Voltage |
AC 100V-240V~50/60Hz |
| Rated Current |
3.5A |
| Working Temperature |
0~40°C |
| Support Touch Points |
20/32/40 Points |
| Touch Model |
Finger or capacitive pen |
| Positioning Technology |
Capacitance Technology |
| Positioning Accuracy |
≤2mm |
| Continuous Response Time |
≤8ms |
| Cursor Speed |
>240 dot/mm |
| Touch Screen System Communication Port |
USB2.0, USB3.0 |
| Operating System |
Support WINDOWS/LINUX/MAC/Android |
| Touch Times |
More than 60 million times in the same location |
Included Accessories
- Touch pen × 1
- USB (touch line 1.5M) × 1
- Power cable (1.8M) × 1
- Software download card × 1
- Remote control × 1
- Warranty card × 1
Product Images