This is your BOM spec V0 Display.
STM32F042F6P6 MCU with internal oscillator
SWD header for easy debugging (not populated by default)
Dual USB port (Vertical or Horizontal) with breakout pin header for USB header
I2C Screen connections for 1.3" display with jumpers on back for slecting which pins (1 or 2) are power and ground
EN11-style click encoder support
3 GPIO pin header (not populated by default)
1 on-board Neopixel with data line broken out for expansion