Blue yeti nano

A USB microphone.

NOTE:

hold rear button to toggle enable/disable live monitoring of recording (hearing your voice).

Usage

circle button
  - press:  toggle mute
  - colour: |
    when first-pressed, the flashed-colour indicates the mode.
    afterwards, may blink orange or hold a solid colour.
    red:   muted
    green: recording

rear button:
  - full circle: record room
  - broken circle: record near