IOBIT Expansion Board Breakout Adapter Board For BBC Micro: bit Development Module Contains Buzzer

Overview: ? IO : bit is a functionable expansion mini board for Micro: bit, which contains a miniature buzzer. It is different from the general expansion board on the market, not just IO adapter board. ? Features: ? 1. Plug and play, compatiable with Micro:bit 2. With Lego-mounting holes, compatiable with KittenBot 3. With miniature buzzer ? Specifications: ? Size: 3.7 x 5.7 cm Net weight: 15g Thickness of PCB board: 1.6mm ? Package Included: ? 1x IO:bit? (do not include Micro:bit)