IDUN Recruits Testers for Guardian 4 EEG Earbuds

Swiss firm IDUN Technologies is recruiting users aged 20+ to trial its Guardian 4 in-ear EEG earbuds with the Insights app, which measures focus, relaxation and cognitive metrics from brain signals.

2026-11-10 ~ 2026-11-10 · 2 related posts

• IDUN opens beta for Insights app and Guardian 4 EEG earbuds measuring brain metrics — melnykowycz · 2026-11-10
• IDUN recruits testers for Guardian 4 EEG earbuds measuring focus, relaxation and brain battery — melnykowycz · 2026-11-10