Blurtooth 7.50 electronic shelf labels for Smart bedside card system

Blurtooth 7.50 electronic shelf labels for Smart bedside card system

The smart bedside card uses a 7.5-inch dot matrix black-and-white red three-color electronic paper screen with a screen resolution of 
640 (H) × 384 (V), and a visual dimension of 214mm (L) × 189mm (W) × 14mm (T)