Isn't it coooool to play your favorite song using the for BBC :bit? Just plug it into this little piano, and enjoy. Features for :bit edge connector, directly pluggable Buzzer to Onboard capacitive touch controller, 13x touch keys through I2C interface color: blue material: plastic 4x RGB , controlled by only one signal pin Breakout module control pins, for :bit SPI pins, and some of the GPIO pins, easy expansion English manual (for :bit graphical demo/python code/ manual, etc.) Specifications Touch controller: TTP229 LED: WS2812B LED color depth: 16777216 colors Dimension: 85mm x 56mm Operating voltage: 3.3V DESCRIPTION VCC Power (3.3V input) GND Ground P0 Buzzer control pin, related to mcro:bit P0 P1 LED control pin, related to mcro:bit P1 SCL Touch keys control pin, I2C clock SDA Touch keys control pin, I2C data Package contents: 1 x Piano Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.