Biothm Black 40Hz Light and Sound Therapy Device, Wearable Gamma Frequency Entrainment Machine
40Hz Light and Sound Therapy Device, Wearable Gamma Frequency Entrainment Machine for Wellness
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40Hz Light and Sound Therapy Device, Wearable Gamma Frequency Entrainment Machine for Wellness

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Key item features

  • ‌40Hz Gamma Light and Sound Synchronization – Precisely synchronized 40 Hz flickering light and gentle click sound (25 ms cycle), reflecting parameters used in MIT gamma research.
  • Wearable Light and Sound Wellness Device – Lightweight, open-view design lets you remain active and relaxed while using.
  • Adjustable Brightness & Sound Levels – Three light intensity settings and smooth audio control for a customized, comfortable experience.
  • Comfortable and Compatible – Includes earbuds and supports 3.5 mm headphone jack for flexible use.
  • Rechargeable & Upgraded Design – USB rechargeable with portable case; upgraded softer sound and longer earbud lifespan for better durability.
Current price is $119.00
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  • Free 90-day returns
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