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4.2 inch BLE Electronic Shelf Label
The 4.2-inch BLE Electronic Shelf Label (ESL) combines a larger e-paper display with the convenience of Bluetooth Low Energy (BLE) connectivity and mobile APP control. It’s an ideal solution for businesses seeking a scalable, cable-free digital labeling system with high readability and flexible deployment.
Key Features:

Larger display area allows for more detailed product information, QR codes, and branding

APP-controlled – no need for gateways or servers, perfect for flexible or small-scale deployment

Energy-efficient e-paper – power is consumed only during screen updates

Wide viewing angle, sunlight-readable, and glare-free display

Applications:

Retail Stores: Larger price tags for bulk items or promotional displays

Warehouses: Pallet labels, shelf identifiers, and stock details

Offices & Smart Buildings: Digital signage, meeting room schedules, and nameplates

Healthcare & Pharmacies: Medication info, instructions, and product specs

Libraries & Museums: Informational labels with multi-language support and QR codes

Specification

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