2.13inch E-Paper E-Ink Display Module For Raspberry Pi Pico, 212×104 Pixels, Red / Black / White, SPI Interface
No backlight, keeps displaying last content for a long time even when power down.
Ultra low power consumption, basically power is only required for refreshing.
SPI interface, requires minimal IO pins
Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)