OMBRA v2 Product Information Guide
Product Information Guide (pdf)
OMBRA v2 Product Information Guide (English)
OMBRA v2 Product Information Guide (Japanese / 日本語)
Articles and recommendations
OMBRA Sound Quality Problems: Adjust Mic Volume Settings:
https://metadox.pro/blogs/news/how-to-improve-your-ombra-built-in-mic-sound-quality-adjust-volume-settings
How to videos
How to Assemble the OMBRA:
How to Wear the OMBRA:
How the OMBRA microphone works: