How does the Bluetooth work?
I can’t get the Bluetooth to work.
What can I use the Bluetooth for?
How do I pair with Bluetooth?
Martin Woolley from the Bluetooth SIG has written some excellent blogs on the subject of using Bluetooth with the micro:bit. His website has some great instructional videos showing how to pair up over Bluetooth on various platforms, and also how to use various demo apps he has written for phones and tablets:
Also this is a really good website with lots of great videos and projects and information about Bluetooth on micro:bit