DES Display close up 4K colour E ink display.

This is the Topjoy Butterfly 8.7 inch color e ink display with DES Display Electronic Slurry e-paper colour display.

Specifications TopJoy Butterfly 7.8-Inches / 7.8-Inches Pro
Dimensions 193mm x 135mm x 7.9mm
Screen 6 7.8-Inches DES New Color E-Paper Screen
Resolution 1404 x 1872
Black and White PPI 300 PPI
Color PPI 150 PPI
CPU 4-core 64-bit Cortex-A55; max 1.8GHz
GPU Mali-G52 Mali-G52
7.8-Inches Pro: 4GB LPDDR4