Micro:bit is an microcontroller designed by BBC. Consisting of on board Bluetooth, accelerometer, electronic compass, three buttons, 5 x 5 LED dot matrix, it is only half the size of credit card and mainly used for programming education for teenagers. The V2 micro:bit comes with built-in speaker, microphone and capacitive touch sensor. Colour: As Shown Material: PCB Package Contents: 6 x Bbc Microbit V2.0 Motherboard (Different batches, product color varies) 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.