---
product_id: 589796333
title: "4.2inch Passive NFC-Powered e-Paper No Battery Wireless Powering and Data Transfer Fast Refreshing 400×300 Black/White Color E-ink Display"
brand: "coolwell"
price: "£73.19"
currency: GBP
in_stock: true
reviews_count: 2
category: "Coolwell"
url: https://www.desertcart.co.uk/products/589796333-4-2inch-passive-nfc-powered-e-paper-no-battery-wireless
store_origin: GB
region: United Kingdom
---

# Fast refresh at 400×300 dpi 4.2-inch compact display Passive NFC wireless powering & data 4.2inch Passive NFC-Powered e-Paper No Battery Wireless Powering and Data Transfer Fast Refreshing 400×300 Black/White Color E-ink Display

**Brand:** coolwell
**Price:** £73.19
**Availability:** ✅ In Stock

## Summary

> 📲 Power up your display game—wireless, battery-free, and refreshingly fast!

## Quick Answers

- **What is this?** 4.2inch Passive NFC-Powered e-Paper No Battery Wireless Powering and Data Transfer Fast Refreshing 400×300 Black/White Color E-ink Display by coolwell
- **How much does it cost?** £73.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/589796333-4-2inch-passive-nfc-powered-e-paper-no-battery-wireless)

## Best For

- coolwell enthusiasts

## Why This Product

- Trusted coolwell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Instant Content Updates:** Refresh your display in seconds using just your smartphone or NFC reader—no tech hassle, just swipe and go.
- • **Plug-and-Play Simplicity:** Includes an intuitive Android app and double-sided foam tape for quick setup—be the office trendsetter effortlessly.
- • **Effortless Wireless Power:** Say goodbye to batteries and cables with passive NFC powering—always ready, always sleek.
- • **Versatile Professional Use:** Perfect for price tags, asset labels, conference badges, and shelf labels—upgrade your workspace with smart tech.
- • **Crystal-Clear E-Ink Display:** 400×300 dpi resolution delivers sharp, high-contrast black & white visuals that command attention.

## Overview

The 4.2-inch Passive NFC-Powered e-Paper display combines cutting-edge passive NFC technology with a crisp 400×300 dpi e-ink screen, enabling wireless power and data transfer without batteries or wiring. Designed for seamless updates via smartphone or NFC reader, it’s ideal for professional labeling and tagging applications, offering a sleek, eco-friendly, and hassle-free digital signage solution.

## Description

Overview 4.2inch NFC-Powered E-Paper Adopts Novel Passive NFC Technology No Battery Required, No More Battery Life Trouble Wireless NFC-Powered Display Refreshing No Messy Wiring, Stable Operation, Fast Refreshing How It Works To Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper For Both Wireless Powering And Data Transfer Feel The Magic Comes With Android APP, As Easy As Swiping A Credit Card Application Examples Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags... PACKAGE CONTENT 1. 4.2inch NFC-Powered e-Paper x1 2. Double-sided foam tape x2

Review: Blown away! - I am so impressed by this device! Easy to use, everything I was expected! Will buy more for sure! Kudos
Review: App mist, Display super - Funktioniert gut mit China-Handys, Samsung war etwas zickig. Die App ist sehr günstig vom Praktikanten zusammengeklickt. Das Display ist jedoch ein absoluter Hingucker.

## Features

- 4.2inch NFC-Powered E-Paper: Adopts Novel Passive NFC Technology; No Battery Required, No More Battery Life Trouble
- Wireless NFC-Powered Display Refreshing: No Messy Wiring, Stable Operation, Fast Refreshing
- Application Examples: Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags...
- How It Works: To Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper For Both Wireless Powering And Data Transfer;Comes With Android APP, As Easy As Swiping A Credit Card
- Download resources: www.waveshare.com/wiki/4.2inch_NFC-Powered_e-Paper

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0826XYD84 |
| Additional Printer Functions | Print Only |
| Best Sellers Rank | 173,052 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 2,829 in Monitors |
| Box Contents | 4.2inch NFC-Powered e-Paper, Double-sided foam tape x2 |
| Brand | coolwell |
| Brand Name | coolwell |
| Color Depth | 1 bpp |
| Colour | White |
| Compatible Devices | Smartphones |
| Connectivity technology | NFC |
| Control Method | App |
| Controller Type | Android |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 6 Reviews |
| Display Type | e-Paper |
| Dual-sided printing | Yes |
| Duplex | Simplex |
| Hardware Interface | USB |
| Ink Colour | White |
| Item Weight | 0.06 Kilograms |
| Manufacturer | Waveshare |
| Maximum Copy Resolution Black and White | 400 dpi |
| Maximum Copy Resolution Color | 400 dpi |
| Maximum Print Resolution Black and White | 400 dpi |
| Maximum Sheet Capacity | 1 |
| Maximum Supported Paper Size | 107.95mm x 152.4mm |
| Maximum print Resolution Color | 400×300 dpi |
| Model Name | NFC-Powered e-Paper |
| Model Number | NFC-Powered e-Ink |
| Model Series | NFC-Powered |
| Model name | NFC-Powered e-Paper |
| Network Connectivity Technology | NFC |
| Number of Drivers | 2 |
| Other Special Features of the Product | NFC Technology |
| Output sheet capacity | 1 |
| Paper Size | 4.2 inches |
| Print media | Labels |
| Printer Output Type | Monochrome |
| Printer Resolution Vertical in Black and White | 300 Centimeters |
| Printer Type | e-Paper |
| Printing technology | e-Paper |
| Processor Count | 1 |
| Resolution | 400 x 300 |
| Special feature | NFC Technology |
| Specific Uses For Product | Label/Tag Printing |
| Total USB 2.0 Ports | 2 |
| Total USB Ports | 2 |
| UPC | 732376134330 732376134347 778365986986 765390108445 |

## Product Details

- **Brand:** coolwell
- **Colour:** White
- **Connectivity technology:** NFC
- **Controller type:** Android
- **Item weight:** 0.06 Kilograms
- **Maximum Supported Paper Size:** 107.95mm x 152.4mm
- **Model name:** NFC-Powered e-Paper
- **Printer output:** Monochrome
- **Printing technology:** e-Paper
- **Special feature:** NFC Technology

## Images

![4.2inch Passive NFC-Powered e-Paper No Battery Wireless Powering and Data Transfer Fast Refreshing 400×300 Black/White Color E-ink Display - Image 1](https://m.media-amazon.com/images/I/51qCZc2HSUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Blown away!
*by L***T on 2 February 2024*

I am so impressed by this device! Easy to use, everything I was expected! Will buy more for sure! Kudos

### ⭐⭐⭐⭐⭐ App mist, Display super
*by M***O on 20 September 2025*

Funktioniert gut mit China-Handys, Samsung war etwas zickig. Die App ist sehr günstig vom Praktikanten zusammengeklickt. Das Display ist jedoch ein absoluter Hingucker.

## Frequently Bought Together

- 4.2inch Passive NFC-Powered e-Paper No Battery Wireless Powering and Data Transfer Fast Refreshing 400×300 Black/White Color E-ink Display
- Waveshare 1.54inch NFC-Powered e-Paper No Battery Wireless Powering and Data Transfer (Pure White Case)
- IBest 2.13inch Passive NFC-Powered e-Paper Black/White e-Ink Display, No Battery Required, Wireless Powering and Data Transfer,Refreshed By Smartphone

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**Shop now:** [https://www.desertcart.co.uk/products/589796333-4-2inch-passive-nfc-powered-e-paper-no-battery-wireless](https://www.desertcart.co.uk/products/589796333-4-2inch-passive-nfc-powered-e-paper-no-battery-wireless)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-01*