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75 Inch 4K HD Smart Digital Blackboard with Magnetic Function for Interactive Teaching

Categories Smart Digital Blackboard
Overall brightness: ³350cd/m²(typ.)
Response time: ≤8ms (typ.)
Color: black
Chromaticity: 1.07B
Touch Points: pen/finger touch
Brightness uniformity: 75%
Color Gamut: 72% NTSC
Visible area: 1650.24 x 928.26 mm
Pixel Pitch: 0.4298 * 0.4298 mm
Life: ³30,000 hrs
Aspect Ratio: 16:9
Refresh frequency: 60Hz
Viewing angle: (H) 178°* (V)178°
Panel Type: LED blackboard,Nanoboard blackboard,Smart blackboard
Panel Size: 75 inch
Screen Contrast: 1200:1(Typ.)-Hard Screen 4000:1(Typ.)-Soft Screen According To Panel Depends
Packaging Details: Standard carton package : carton+ plastic bag+ foam+ honeycomb paperboard+ pack thread.
Resolution: 3840X2160
Backlight Type: D-LED
Brand Name: MTHGH
Model Number: XYC-75
Certification: CE FCC
Place of Origin: China
MOQ: 1 Set
Price: Negotiable
Payment Terms: L/C,T/T,Western Union
Supply Ability: 10000 Piece
Delivery Time: 7-10 Work Days
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75 Inch 4K HD Smart Digital Blackboard with Magnetic Function for Interactive Teaching

Customized 75 Inch Smart Digital Blackboard Magnetic Electronic Interactive Solution
75 Inch 4K 3840 x 2160 P Display
8H Hardness AG Anti-Glare Glass
6-Array Mic 8m Pickup & HD Camera
Dual System Android & Windows
Product Overview

Customized smart digital blackboards and magnetic electronic blackboards represent innovative educational technology providing significant convenience across modern academic institutions, corporate boardrooms, and commercial spaces.

Highly customizable architecture allows users to specify custom dimensions, frame finishes, mounting configurations, and hardware parameters to match their room layout. Advanced smart features enable cloud connectivity and device integration, facilitating remote writing, real-time content transmission, and multi-user collaboration via smartphones or laptops.

Integrated magnetic functionality supports the physical attachment of learning letters, geometric icons, and visual notes directly onto the non-reflective blackboard wings, eliminating paper waste. Zero-bonding AG anti-glare glass and energy-efficient low-power operation further enhance teaching sustainability.

A smart blackboard showing a blue desktop screen with math formulas written on side wings
Quality Features
Audio & Vision
HD Camera & 6-Mic Array

Embedded HD camera and 6-microphone array with 8-meter sound pickup range for distance learning.

Surface Glass
8H Surface Hardness

Micro-magnetic aluminum honeycomb board with zero-bonding AG anti-glare glass for residue-free writing.

Access Security
IC Card Identification

Integrated IC card safety reader for secure teacher login and instant access control.

Smart Tools
20-Point Gesture Touch

20-point multi-touch writing panel with gesture erase, ruler, compass, and protractor teaching tools.

  • Nano Intelligent Blackboard: Combines traditional chalk writing surfaces with 4K multimedia display technology.
  • Sleek Safety Body: Ultra-thin aluminum casing with rounded protective safety corners and patented appearance certification.
  • Micro Magnetic Honeycomb: 8H surface hardness aluminum honeycomb board supporting chalk and magnetic attachments.
  • Multi-Format Presentation: Front functional interface natively opening Word, Excel, PPT, PDF, 4K video, and images.
  • AG Anti-Glare Protection: Double-screen explosion-proof tempered glass preventing reflections from sunlit classroom windows.
  • Photosensitive Lighting Control: Automatic brightness sensor adjusting screen output based on ambient room light.
  • Five-Finger Gesture Wake-Up: Screen activation with five-finger touch gesture and energy-saving certification.
  • Dual System Operation: Integrated dual-system architecture supporting Android and Windows environments.
Technical Specifications
Display Parameters
ParameterSpecification Value
Screen Panel Size75 Inch Central D-LED Display
Panel ManufacturerCSOT / BOE Grade A+ Glass
Visible Display Area1650.24 x 928.26 mm
Native Resolution3840 x 2160 P (4K UHD)
Aspect Ratio16:9 Widescreen
Overall Brightness≥ 350 cd/m² (typical)
Brightness Uniformity75% Uniform Luminance
Screen Contrast Ratio1200:1 (Hard Screen) / 4000:1 (Soft Screen) Panel Dependent
Response Time≤ 8 ms (typical)
Pixel Pitch0.4298 x 0.4298 mm
Refresh Frequency60 Hz
Viewing Angles178° (Horizontal) / 178° (Vertical)
Panel Lifespan≥ 30,000 Hours Continuous Operating Life
Color Gamut & Chromaticity72% NTSC, 1.07 Billion Colors (10-bit)
HDR & Backlight TypeHDR Processing Supported, D-LED Backlight (OD18)
Operating SystemsDual System Architecture (Android & Windows)
Left and Right Sub Boards
CategorySpecification Details
Sub Board Surface TypeNano Honeycomb Blackboard (Supports Magnetic Function)
Sub Board ColorMatte Black Non-Reflective Finish
QuantityLeft Sub-Board x 1, Right Sub-Board x 1
Physical Size1108 x 1240.35 x 94 mm per side board
Chalk TroughFull-Length Chalk Storage Trough Supported
Safety CornersRounded Protective Safety Corners Compliant with School Standards
Two connected dark display panels standing next to a small PC module box
Classroom Applications

Designed for primary schools, universities, and executive conference rooms, the customized 75-inch smart digital blackboard combines anti-glare 4K screen clarity with dual-system teaching tools for seamless lesson delivery.

Frequently Asked Questions
How does the IC card access system work for teachers?
Teachers tap their authorized IC card on the front security reader to immediately unlock the system, log into their personal account profile, and launch saved lesson courseware.
What is the advantage of 8H surface hardness glass?
The 8H hardness nano-glass protects the screen against scratches from stylus pens or heavy classroom use, maintaining a smooth anti-glare writing surface.
Does the built-in microphone pick up sound across large classrooms?
Yes, the embedded six-microphone array features noise-canceling audio processing with an 8-meter pickup radius, capturing clear teacher audio for remote hybrid classes.
Can the blackboard operate on both Windows and Android?
Yes, the system features a dual-system architecture allowing one-touch switching between Windows and Android environments.
Interactive Gallery & Showroom Setups
A smart blackboard displaying an educational chart and diagram on its central screen
Interactive Chart & Lesson Display
A physical smart blackboard unit mounted on a mobile stand setup inside an office showroom
Showroom Mobile Stand Setup
A long hallway lined with wall-mounted whiteboards and smart displays in a school
Campus Installation Infrastructure
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