Gamma 40 Hz Audio Entrainment Device

Sale price Price $24.99 Regular price

Easy to use personal sound device designed to promote Gamma brainwaves. Our 40 Hz Sound Device has been specially designed with a 40 Hz (40 times per second) audio tone and includes:

  • 1x USB charging cord

  • 1x Set of earphones

  • 1x 40 Hz Audio Entrainment Device

Every Gamma 40 Hz Audio Device is calibrated and passes a quality inspection before being shipped.

Download the manual and disclaimers

In Stock - Ships from USA

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