The 8x16 dot matrix screen is a display screen that can show emoji expressions using an 8x16 dot matrix.
Specifications
Connections: RJ11 4P4C
Power: 3.3V
Connections Type: IIC
Size: 0.96
Resolution: 8x16
You can find the introduction of this product following this link
https://wiki.elecfreaks.com/en/microbit/sensor/planet-x-sensors/Plant_X_EF05029