coolwell 4.2inch Passive NFC-Powered e-Paper No Battery Wireless Powering and Data Transfer Fast Refreshing 400×300 Black/White Color E-ink Display
Product ID: 589796333
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Details
- Brandcoolwell
- Connectivity technologyNFC
- Printing technologye-Paper
- Special featurePortable
- ColourWhite
- Model nameNFC-Powered
⚡Fast 400×300 dpi refresh rate
📶Passive NFC wireless power & data
🔋Zero battery, zero hassle
Frequently Bought Together
Description
📲 Power up your display game—wireless, battery-free, and refreshingly fast!
- PLUG AND PLAY NFC APP - Control your display effortlessly with an intuitive Android app, making updates as easy as swiping a credit card.
- FAST STABLE REFRESHING - Instant updates via smartphone NFC—refresh content as quickly as a swipe, no wires or delays.
- EFFORTLESS WIRELESS POWER - Say goodbye to batteries with cutting-edge passive NFC technology powering your display seamlessly.
- VERSATILE PROFESSIONAL USE - Perfect for price tags, asset tracking, conference badges, and shelf labels—boost your workspace efficiency.
- ULTRA CRISP 400 300 RESOLUTION - Experience sharp, high-contrast black & white visuals that make your tags and labels stand out in any setting.
The Coolwell 4.2-inch NFC-Powered e-Paper display leverages innovative passive NFC technology to deliver wireless power and data transfer without batteries. Featuring a sharp 400×300 dpi black-and-white e-ink screen, it offers fast, stable refresh rates controlled via a user-friendly Android app. Ideal for professional environments needing dynamic, battery-free labeling solutions.
Specifications
| Included components | 4.2inch NFC-Powered e-Paper, Double-sided foam tape |
| Print media | Labels |
| Display type | e-Paper |
| Compatible devices | Smartphones |
| Maximum colour print resolution | 400×300 dpi |
| Sheet size | A4 [NA] |
| Maximum black and white print resolution | 400 dpi |
| Colour depth | 1 bpp |
| Dual-sided printing | Yes |
| Package Dimensions | 15.75 x 11.18 x 4.83 cm; 60 g |
| Item model number | NFC-Powered e-Ink |
| Manufacturer | Waveshare |
| Standing screen display size | 4.2 Inches |
| Processor Count | 1 |
| Connectivity Type | NFC |
| Number of USB 2.0 Ports | 2 |
| Operating System | Android |
| Are Batteries Included | No |
| Item Weight | 60 g |
| Guaranteed software updates until | unknown |
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