1, With this module you can easily interconnect Micro:bit I/O ports with Raspberry Pi, and can got 3.3V power supply from Raspberry Pi, all micro:bit I/O ports and 3V via pin jumper connect to Raspberry Pi. for Raspberry Pi and Micro:bit module both are very easy to insert and unplug. 
2, Support for Raspberry Pi 1 Model A+ / Pi 1 Model B+ / Pi 2 Model B / Pi 3 Model B / Pi 3 Model B+ / Pi 4  Module B / Pi Zero / Pi Zero W.
3, FR-4 glass fiber PCB, Micro:bit officially recommended CYLCONN high quality connector.
4, Package included: 1x Adaper module(has been soldered and tested), 8x M2.5x6mm metal screws, 4x brass M2.5 standoffs, 20x pin jumpers.
5, NOTE: the item not include Raspberry Pi and Micro:bit moudle.