7.83Hz Schumann Frequency Sound Generator Headset with 40Hz Gamma Sound for Wellness

7.83Hz Schumann Frequency Sound Generator Headset with 40Hz Gamma Sound for Wellness

Brand: Prowell Health Products
59.90 USD In stock Buy at Merchant

HarmoDuo is a lightweight, behind-the-ear headset designed to deliver structured sound programs including Schumann resonance and Gamma tones.

  • The description claims that HarmoDuo provides full-spectrum audio reproduction.
  • The description claims that each built-in session runs in a structured 30-minute format.
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  • Default Title — 59.90 USD — In stock

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Takes ~2 minutes. No storefront changes.