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2.9 Inch E Ink Display APP Shelf Label Digital Price Tag Bluetooth, ET0290
2.9" Bluetooth E-Paper ESL
High-res 384×168 color display, APP or gateway management, 5-7 year battery, IP65-rated – durable, flexible, low maintenance.
ET0290 Series · 2.9" E-Paper · 3-Color / 4-Color Options · BLE 5.0
Core Advantages
Versatile Display & Configuration
3/4-color display, dual resolutions up to 384×168, >170° viewing angle – fits any scenario.
Flexible Deployment
APP or gateway, cloud or on-premise – adapts from small stores to large enterprises.
Battery Life
2×CR2450 (1200mAh), hot-swappable – industry-leading battery life, lower maintenance costs.
Open API Integration
RESTful API + MQTT+TLS for fast integration with SAP, Oracle, Shopify POS, and other systems.
Product Series



Need a custom configuration? Contact our team for a tailored solution.
Built for Integration & Security
Integrate with Any System in Days
RESTful API and MQTT+TLS natively support SAP, Oracle, Microsoft Dynamics, Shopify POS, NCR, and any custom platform.
Deployment Options
GDPR compliant. Your data, your network.
Core Specifications
ET0290 Series — Key Parameters at a Glance
Open API & Flexible Deployment
- On-Premise: Data stays within your network, GDPR compliant
- Cloud Deployment: Supports AWS / Azure for lightweight operations
- MQTT & Documentation: Full integration docs, dedicated engineer support
- Enterprise Features: Audit logs, end-to-end encryption, multi-store management

Complete Installation Solutions
- Mounting & Fixing Systems: Rail systems & shelf mounting
- Display & Hanging Solutions: Stands, promotional & suspension solutions
- Professional Customization: Magnetic, ice plug & protective enclosures
- Click to learn more and let our experts help you find the perfect solution!

Choose Your Deployment Method
Phone APP

- No gateway required (supports up to 50 tags)
- Direct BLE 5.0 pairing
- Free Android app
- Updates in seconds, ideal for small to medium stores
- Download APK
Gateway Version · Scalable

- Supports 50,000+ tags per server
- Centralized management and control
- Open API for ERP/POS integration
- On-premise or cloud-hosted
- Range: 30m (Bluetooth) ~ 2km (WiLoTa/LoRa 433)
Application Scenarios
Retail Store
4-Color promotional labels, promotions at a glance
Supermarket
3-Color labels in fresh produce area, clear shelf life / pricing
Warehouse
Inventory tracking with Red/Yellow/Black multi-color identification
Healthcare
Patient information & room identification, clearly readable
1.54"–13.3" Sizes for All Retail Scenarios
- Our ESL portfolio covers sizes from 1.54" to 13.3", with multiple color variants and feature configurations to suit diverse retail needs.
- Learn More

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