Description:
micro:bit edge connector, directly pluggable
Buzzer to play music
Onboard capacitive touch controller, 13x touch keys through I2C interface
4x RGB LEDs, controlled by only one signal pin
Breakout module control pins, micro:bit SPI pins, and some of the GPIO pins, easy expansion
Comes with development resources (micro:bit graphical demo/python code/user manual, etc.)
Touch controller: TTP229
LED: WS2812B
LED color depth: 16777216 colors
Dimension: 85mm x 56mm
Operating voltage: 3.3V

Package Includes:
1 X Mini Piano Module for micro:bit