What type of USB lead do I need for the micro:bit? : Help & Support

The micro:bit has a USB type-B micro connector.  You can use the USB interface to load code onto the micro:bit, and to power it.  The USB lead that you require will depend on what device you are plugging the micro:bit in to: Usually

USB cables for charging – the ultimate guide

Silicone USB-C to Lightning Cable - Ultra Durable

Arduino USB Type-C® Cable 2-in1 — Arduino Official Store

My micro:bit does not power from battery : Help & Support

The Best Micro-USB Cable

USB Cable for micro:bit – BirdBrain Technologies

GitHub - carlosperate/awesome-microbit: A curated list of BBC

Connect the micro:bit to an android device : Help & Support

Arduino USB Type-C® Cable 2-in1 — Arduino Official Store