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Gamma Light Therapy LLC

Gamma Clarity 40 Hz Audio Device

    • Based on 48 reviews
Condition: New
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$49.99 Why this price?
Holiday Deal · 71% off was $169.99

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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2025

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Dec 24
Order within 23 hours and 16 minutes
Available payment plans shown during checkout

Features

  • Gamma Clarity 40Hz Audio Entrainment Device
  • Precision Calibration
  • 8+ Hours battery life
  • Easy to use design
  • Everything needed is included

Brand: Gamma Light Therapy LLC


Material: Plastic


Style: Both Ear


Model Name: Gamma Clarity Audio Device


Power Source: Battery Powered


Package Dimensions ‏ : ‎ 3.27 x 3.15 x 1.61 inches; 3.21 ounces


Batteries ‏ : ‎ 1 Lithium Polymer batteries required. (included)


Date First Available ‏ : ‎ January 8, 2021


Manufacturer ‏ : ‎ Gamma Light Therapy LLC


Country of Origin ‏ : ‎ China


Best Sellers Rank: #141,312 in Electronics (See Top 100 in Electronics) #695 in Audio Component Amplifiers


#695 in Audio Component Amplifiers:


Customer Reviews: 3.1 3.1 out of 5 stars 48 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Dec 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • I Can Remember My Dreams Again
My dream life has always been really important to me, but lately I have been unable to remember them. I almost could but as soon as I opened my eyes, all trace recollections of the dream would vanish. Since I started using this device, I have been recalling dreams just like I used to. I'm back to having a rich and vivid dream life. When the session is over, I hear an odd sustained harmonic tone for awhile which eventually subsides. It makes me wonder if my neurons are also continuing to oscillate. The only thing I really hate about this device is the loud voice that comes on at the end just to say that the session has ended. It startles me so badly that it hurts. I'm sticking with it, though. I am loving having my dreams back. I think I'll buy one for my Mom. ... show more
Reviewed in the United States on November 6, 2021 by SeekinTruth
    • Stopped working after two days
Stopped working after two days. Tried on two separate lamps. Not worth the price. Had no affect on concentration.
Reviewed in the United States on August 13, 2024 by John H.
    • They just don't last
I've purchased many of these over the years. A radio article about 40Hz research sold me to the idea that we can improve our brain's ability to clean itself. This sound has been shown to do just that. However, the quality is poor. I've never had one last for more than a few months. Some stop working almost immediately. Great product. Poor quality. ... show more
Reviewed in the United States on August 9, 2023 by Laura Hammack
    • Still testing. So far so good.
Head set didn't work. I returned it .replacement works so far
Reviewed in the United States on March 27, 2024 by robert c harrison jr
    • Very convenient--and exactly as advertised
Sleek, compact and easy-to-use digital playback device. Comes with pocket-size hardshell carrying case. Hit the play button and you'll hear a brief voice announcement followed by one hour of the tone. Then it stops. There are also buttons for "back to the beginning" and "jump to the end". Holding the play button down shuts off the unit. 40Hz buzz tone sounds the same a the one posted on Youtube as "Exact 40 Hz Gamma Brainwave audio used by MIT" study. Recharging off a laptop USB port (cable included) is easy and just takes a few minutes to charge. Charging cable plugs into the earphone jack on the unit, keeping it small and simple. Ear buds are good quality, but don't come with alternate size ear pieces, and may be too large for some people. Note that, contrary to the instructions, ear buds are interchangeable--there is no Left ear or Right ear shape. All in all, a very nice design, well-made. ... show more
Reviewed in the United States on August 30, 2021 by M. Ryan
    • Waste of money
I got this for my mom who has Alzheimer's and it did absolutely nothing for her nor me nor anyone else who saw the flickering light or had on the annoying headsets. This does NOT work! Don't waste your money. They should be shut down for selling foolishness like this to people who hope something alternative will work. ... show more
Reviewed in the United States on April 16, 2023 by clb
    • Died in 2 weeks
I used this Gamma Clarity 40Hz Audio device one hour a day from April 20 to May 3, 2023. Charged it between uses as the instructions said to do. I handled it very gently. Today it was dead as a doornail. Won't turn on, won't charge. I even tried different chargers and different outlets. It was very nice while it lasted. The earbuds were too large so I used a set of Skull Candy earbuds that fit me better. It's still dead with the original earbuds. The instructions require a magnifying glass to read. There are other reviews complaining about short life so if you decide to get it, hold on to the packaging because you might need to return it. ... show more
Reviewed in the United States on May 4, 2023 by Joy
    • My Family Has Had Few People With Signs of Alzheimer...Buy Why Take Chances?
Over the past two years, I've been watching TedTalks and keeping up on the ongoing research. I read the book. "The End of Alzheimer's" by Doctor Dale E. Bredesen, MD. While I think my odds of getting it are pretty slim, I wanted to do everything possible to reduce the probabilities. One of the more promising protocols comes from Gamma Clarity 4hz Light Build. Their devices are inexpensive, and they are pretty much based on early research. But one downer is that while the initial conclusions seemed hopeful, there has been a lull in activity to get the research going. I hope they get their act together. ... show more
Reviewed in the United States on January 29, 2021 by PositiveLogic

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