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

‌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.