Special Features

Comprehensive Development Solution

Product Specifications

About Us

Name: 4.2" Electronic Paper Sign with Bluetooth & Metal Base Editable Digital Business Card Name Badges
Brand: GOOD DISPLAY
SKU: DMPT042RB2/DMPT042FB2
Price: 63.90 USD
Availability: InStock

Description

		4.2 inch Color E-paper Screen Bluetooth Detachable
		Transform your smart conference hall and meeting room with our 4.2-inch four-color e-paper screen. Featuring Bluetooth connectivity, this detachable display allows for easy content sharing and collaboration. Its vibrant colors—black, white, red, and yellow—make it perfect for showcasing presentations and important information. With low power consumption and excellent visibility, this lightweight screen ensures clear and engaging content throughout your meetings. Upgrade your presentation experience with our innovative e-paper technology.

●  Dual-Sided Display: Showcase different information on each side, perfect for meetings, events, and restaurants, enhancing visibility and interaction.
●  One-Click Bulk Import: Quickly update content in bulk, ideal for large events and conferences.
●  Web App and Mini Program: Easily manage and update content in real-time for meeting agendas, menus, or promotions.
●  Multiple Communication Modes: Supports Bluetooth and 2.4G wireless communication for compatibility and stability with various devices.
●  Customizable Appearance: Personalize colors and logos to strengthen brand identity.
●  Comprehensive Development Solution: Components like boards and screens can be purchased separately for DIY or system integration, with development support available for customization.

The driver board, E Ink display, and casing of the e-paper conference table card can be sold separately. Color, material, and logo are fully customizable, and the software supports further development.

Please refer to the product specifications for more details

PART NUMBER	DMPT042RB1 (3 Color) DMPT042FB1 (4 Color)
SIZE	4.2 inch
OUTLINE SIZE(mm)	94.7x120x30 Modular (Single-Sided 4-Color ) 83x100x10.8 Baseless (Double-Sided 3-Color) 94.7x120x30 Modular (Double-Sided 3-Color)
RESOLUTION	400x300 (119 ppi)
ACTIVE SIZE(mm)	63.6x84.8
COLOR	Black, white, and red yellow E Ink display Black, white, and red E Ink display
WEIGHT	174±5g (Modular Double-Sided 3-Color) 105±5g (Baseless Double-Sided 3-Color) 154±5g (Modular Single-Sided 4-Color)
BATTERY	1500mAh Lithium Battery
COMMUNICATION METHOD	Bluetooth 5.0
IMAGE TRANSFER METHODS	Android/HarmonyOS APP,iOS APP, WeChat Mini Program, Web Management System
TRANSMISSION DISTANCE	0-50m range (open space)
CHARGING PORT	Type-C
SHELL MATERIAL	ABS frame + aluminum alloy base
DEVICE UPDATES	Supports OTA firmware upgrades
BASE STAND	Yes/No
CHARGING PORT	Charging Port

Application Scenario

Healthcare Facilitie	School Signage	Restaurant Menu	Guest Reception

Files and Download

	● ePaper Table Sign Operating Manual	● Mobile App tdx_ble_ecard
	● Why can't I download the files(updated)?

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Every day is Earth Day

You don't need to be an environmental scientist to make sustainable choices.
At Good Display, we passionately integrate sustainability into the production of e-paper.

Substitute for Paper Usage

Epaper provide a paper-like touch and reading experience, serving as a sustainable alternative to traditional paper and reducing environmental impact from deforestation and paper manufacturing.

Device Packaging
95% of this device's packaging is crafted from wood fiber-based materials sourced responsibly from managed forests or recycled sources.

Energy Efficiency
Epaper consumes minimal energy compared to conventional displays, reducing electricity bills and easing the demand on power plants, thereby lowering greenhouse gas emissions—a perfect choice for eco-conscious consumers.

Thank you for your interest in our product. We could provide front light, touch screen, and other accessories for you. For more information, please refer to the relevant manual available in our Library or visit our official website at [www.good-display.com].
If you need any further assistance or have any other questions, please feel free to contact us. We sincerely invite you to send your inquiries to our email at [buyepaper@good-display.com].