ELECFREAKS Power:bit is a pocket-sized extension board. It is powered by two 2025 button batteries and carries a buzzer on the board. Due to its small cute size and abundant electric power, it is quite suitable to be applied to micro:bit wearable devices like pedometers, timers, portable music broadcasters and so on.

Powered by two CR2025 li-batteries. The buzzer onboard is connected to P0 port on micro:bit. P0, P1, P2, 3V, GND can be lead out by pins. Enable to match micro:bit and acrylic watch band.