BBC micro:bit V2 second generation development board official version

Model: YZQ-B018
Features:
Processor: Nordic Semiconductor RF52833
Memory: 512KB Flash, 128KB RAM
External chip: NXP KL27Z, 32KB RAM
Microphone: MEMS microphone and LED indicator
Speaker: Onboard speaker
Touch: Onboard touchable LOGO
Working current: 200 mA
Motion sensor: ST LSM 303
Programming software: C++, Makecode, Python, Scratch
Size: 5cm (w) x 4cm (h)