Waveshare 3.7 inch 480x280 Pixel E-Paper E-Ink Display Module for Raspberry Pi Pico, 4 Grayscale, SPI Interface, 20123 % Steering System support TF card up to

support TF card up to 1TGB (not included)

electric rotating brush head can better remove tooth stains

MC68HC11KA4

7V 750mA rechargeable battery

40HQ: 5158 cartons * 40 pcs = 206320 pcs

Waveshare 3.7 inch 480x280 Pixel E-Paper E-Ink Display Module for Raspberry Pi Pico, 4 Grayscale, SPI Interface, 20123 % Steering System support TF card up toFeatures 1. No backlight, keeps displaying last content for a long time even when power down 2. Ultra low power consumption, basically power is only required for refreshing 3. SPI interface, requires minimal IO pins 4. Onboard voltage translator, compatible with 3. 3V 5V MCUs 5. Comes with development resources and manual (Raspberry Pi Pico C C++ and MicroPython examples) Specification 1. Operating voltage: 3. 3V 5V 2. Display color: Black, white 3.