MinewTag 4.2 Inch 300*400 E-ink E-paper Display White Black Color Electronic Shelf Label Tag Fast Refresh Eink Display Signage

4.2 Inch E-ink Display: The 4.2-inch E-ink display provides a high-quality, clear, and long-lasting visual experience, making it ideal for displaying product information and prices in various retail environments.

Bluetooth Low Energy (BLE) 5.0: Using Bluetooth Low Energy 5.0 technology, the electronic shelf labels offer extended battery life, reliable connectivity, and fast data transfer, ensuring efficient and stable operation in retail settings.

Ultra-Low Power Consumption: The ultra-low power consumption of the electronic shelf labels allows them to operate for up to 5 years on a single battery, reducing maintenance costs and ensuring long-term reliability.