Advancement in innovative
non-contact VNS technology
to restore homeostasis

Just 30 Minutes A Day

Wear 'amofit S' for 30 minutes per day. Restore your body and mind to their original, natural state in just a few days.

cVES (cervicothoracic vagus electromagnetic stimulation) is a vagus nerve stimulation technique involving in the balance of the autonomic nervous system by delivering complex electromagnetic signals to the heart and the vagus nerve branches connected to the heart. Vagus nerve stimulation influences a variety of important autonomic functions in the brain and in the body, including neurotransmitter levels, inflammatory levels and metabolism.

cVES targets specific nerve within a 9 inch radius, surpassing other noninvasive neurostimulation techniques which are limited to local treatment.

amofit S ?

amofit S involves in restoring the autonomic balance using low-frequency electromagnetic field signals. It rapidly improves insomnia and anxiety as well as stabilizing heart rate and respiration rate and reducing stress levels.

This device is a consumer wellness product that induces relaxation in the nervous system and is used during daytime or before bed to help maintain stable brain waves and autonomic nervous system activities, thereby restoring the balance of the bodily state.

How Does It Work?

amofit S, with AMO Lab's proprietary neuromodulation technology, cVES (cervicothoracic vagus electromagnetic stimulation), targets the vagus nerve in the human's autonomic nervous system. With a mild intensity similar to the innate magnetic field generated by the human body itself, the electromagnetic signal passes through the skin, muscles, and bones without any interference. It then is transmitted to the vagus nerve in the heart area. This signal regulates the vagal tone and activates the parasympathetic nervous system.

'amofit S' provides two healing modes. After powering on the device, you can switch from CALM mode to FOCUS mode by pressing the touch area. CALM mode can increase the vagal tone and activate the parasympathetic nervous system to improve sleep, stress, and anxiety and correct the body's internal balance, as well as help with chronic diseases related to problems in the vagus nerve and the autonomic nervous system. FOCUS mode can enhance memory and creativity by increasing alpha brain waves.

Attach the device to your collar using the clip on the back of the device or wear it like a necklace around your neck. This simple, sophisticated device will improve your dignity.

[Calm Mode]

[Focus Mode]



Improvement in the body's internal balance & potential to recover from chronic diseases




Non-Contact Neurotechnology

Unlike existing neurostimulation devices, 'amofit S' does not require strong stimulation and does not need to be attached to the skin. The electromagnetic signal generated by 'amofit S' is effective within a 9-inch radius from the heart and can be worn over clothing without any inconvenience.

Rapid Effects

According to our clinical studies and the reviews from our users, more than 60% of users experience the benefits after the first 1-3 days of use. Most importantly, clinical reports demonstrate that people with severe symptoms experience higher effects. Additionally, most users, particularly those with severe sleep problems, report significant improvement on the first day of use.

Long-Lasting Effects

In our first clinical trial, we achieved a remarkable result that the effect lasted more than 72 hours after using the device for just 2 hours. This is an innovative scientific result, which is difficult to achieve with existing neuromodulation technologies.


The mild electromagnetic signal generated by 'amofit S' operates at a very low level compared to the intensity of the magnetic field generated by the human body and equivalent to 1/10 of the Earth's electromagnetic field. Natural neurostimulation based on the principle of the human body entrainment does not have any side effects and guarantees higher safety.

How To Wear It?

Wearing the Device

'amofit S' is applied with non-contact neurostimulation technology with an effective range of 9 inches and can be worn by using a necklace string or by clipping the product to your collar.

This device is simple and convenient to use anytime, anywhere in your daily life. Many aspects of your life will be improved from the day after the first use.

Proven Technology & Certification

Crowdfunding Campaign (

We successfully launched our first-generation product 'AMO+' in 2019 on 'Wadiz', a crowdfunding platform in South Korea. Ultimately, we shipped the products to all 2,249 backers. The product’s review score rated by our backers was 4.5/5.0.

For the following 2 years after the launch, we communicated with our Korean backers and many of our users to improve product functions and treatment protocols. We have just launched our new product, 'amofit S', on this Indiegogo crowdfunding campaign.

Crowdfunding Campaign (

'amofit S' is the second-generation product with the functions upgraded from ‘AMO+’. This device was launched through our INDIEGOGO crowdfunding campaign in April 2022, and 3,600 backers have backed this product so far (800,000US$).

Clinical Trials & Academic Papers

We demonstrated the effectiveness in all three clinical trials conducted at KRISS, a Korean government institute, and Kyunghee University Hospital. We also published two academic papers in the international journal Springer Nature.

Exclusive Patents

We have a broad portfolio of intellectual property rights, with 7 patents registered worldwide, including PCT, EU, USA, South Korea, Japan, China, and Taiwan, on vagus nerve stimulation method and technology.

International Certification

'amofit S' is a safe product that has obtained various international certifications.

Who Is This For?

It would be the perfect gift for your beloved family.

People Suffering from Insomnia

It helps you fall asleep easier and faster. You can get a deep sleep without waking up often. And you can wake up feeling refreshed in the morning.

People Exposed to Stress & Anxiety

It can reduce various mental stresses due to factors including uncertain future, job loss, overworking, competitive relationships, and health problems. It also relieves psychological conflict or external stress and the resulting anxiety and tension.


The increase in alpha brain waves, representing the calm state of mind, can improve concentration and memory, thus maximizing your learning ability and enhancing problem-solving ability and creativity.

The Elderly

As we age, the balance of the autonomic nervous system is disrupted. Anti-aging and natural healing ability can be enhanced when homeostatic autoregulation is improved by recovering the balance of the autonomic nervous system.

Patients with Chronic Diseases

The effects of activating the vagal tone and parasympathetic nervous system can help overcome chronic diseases such as vagus nerve and autonomic nervous system disorders.

Product Function

Tech Specs

amofit S (AL-101B)
0.03 lb (13.9 g)
1.61 x 1.4 x 0.35 inch
3.7v, 80mAh Li-Polymer
Battery Life
8-9 hours
Charging Time
1-1.5 hours
Ambient Temperature
0-104 ℉ (0-40 ℃)
What's In the Box