Gamma 40 Hz Audio Entrainment Device

Your 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