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Halo headset and box

The Halo tDCS Headset - Clinically Tested for Better Mood, Sleep & Focus

Non-invasive brain stimulation trusted by 50,000+ users. 70% or more of users reported improved mood, better sleep and sharper focus.

$599

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Trusted Technology. Built on science trusted by 50,000+ users across Europe and the US.

Medication-Free Wellness. Supports mood, sleep, and focus without relying on stimulants or supplements.
30-Day Risk-Free Trial. Your purchase is fully protected by our 30-day money-back guarantee.
Flexible and Convenient. Complete a 30-minute session at home, at a time that works for you.
Benefits Build with Use. Many users notice improvements in mood, sleep, and focus within just a few weeks.
1 year warranty
Trustpilot

Feel sharper, calmer and clearer in 2 weeks with tDCS

Most users begin noticing positive shifts within the first few weeks - feeling calmer, sleeping better, and thinking more clearly. Halo uses gentle, targeted tDCS to activate the prefrontal cortex, the brain’s control hub for emotion, attention, and rest. With regular use, these effects build over time, with 70% of users reporting noticeable improvements in mood, sleep and focus by week 4.

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Phase 1: Activation

5 sessions per week for 3 weeks. Establishes the foundation – supporting areas of the brain linked to mood, sleep, and focus.

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Phase 2: Optimization

2 sessions per week ongoing. Maintains and strengthens results - for long-term improvements.

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Feel the change

Maintains and strengthens results - for long-term improvements.

“Halo has made a clear difference - improving my mood, energy, and sleep in just six weeks.”

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Scott Forman, MD, MSc

What's in the box

Everything you need to begin your Halo journey and start enhancing your mood, sleep, and focus:

  • Halo Headset: Your personal brain stimulation device, designed for comfort and precision targeting of the prefrontal cortex.
  • Charging Cable & Adapter:
    Keeps your Halo powered and ready for every 30-minute session.
  • First Box of Halo Pads: High-quality, single-use pads for optimal connection and comfort during each session.
  • Quick Start Guide: Step-by-step instructions to get set up, connect your Halo app, and begin your first session within minutes.

Start tracking your mood, sleep and focus today with the Halo app. Download it from the Apple App Store or Google Play Store .

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Real-world results from Halo users

 In an analysis of Halo users, significant improvements were seen in mood, sleep, and focus after just two weeks of regular use.

By four weeks, around 70% of users reported improvement across all three outcomes, with gains continuing to strengthen through week six.

 

*n=103

73% of users improved mood within two weeks

+3.0 points on WHO-5 Well-Being scale.
Effect size: 0.60–0.77 (moderate–large improvement).

 

71% of users reported better sleep by week four

+2.0 points on PROMIS Sleep Disturbance scale.
Effect size: 0.49–0.61 (moderate improvement).

 

70% of users noticed sharper focus by week four

+1.4 points on PPROMIS cognitive function abilities scale.
Effect size: 0.59–0.70 (moderate improvement).

Safe and Well Tolerated

Your safety is our priority. 

tDCS - the same gentle brain stimulation technology used in Halo has been studied for more than two decades with an excellent safety record. Across extensive research and real-world use, no serious side effects have been reported.

Halo sessions are generally very well tolerated. In some cases, mild and temporary effects such as slight redness or tingling under the pads may occur. These typically fade on their own shortly after the session.

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Developed by neuroscientists, built on the same tech trusted by 50,000+ and designed to help you feel and perform your best.

Trustpilot

Tech specs

Quality material

Headset: Acrylonitrile Butadiene Styrene, stainless-steel; Pad holder rings: Silicone Elastomers; Electrodes: Silicone rubber compounds; Pads: Cellulose

Weight and dimensions

Weight: 110g; Dimensions unfolded: 18.5 x 17 x 11.5cm; Dimensions folded: 17 x 17 x 8.5cm

Battery life

Up to 10 stimulations per charge. One full charge takes 60 mins.

Connectivity

Bluetooth. FCC certified.

Compatibility

Supports imperial and metric units of measurement. Integrates with Health and health content.

Frequently asked questions

What is Halo and how does it work?

Halo is a brain stimulation wearable that uses transcranial direct current stimulation (tDCS) to help:

  • Enhance mood
  • Improve focus, creativity, learning speed, and problem solving
  • Support better sleep quality and duration

It delivers gentle, low-intensity electrical currents to the prefrontal cortex, a region of the brain involved in cognitive and emotional processes.

Is Halo safe to use?

Halo uses transcranial direct current stimulation (tDCS) - a non-invasive, low-intensity technology that has been evaluated in over 100 peer-reviewed clinical studies.

Originally developed for use in medical and research settings, tDCS technology has a strong safety profile and has been used for over two decades.

Some users may experience mild tingling or skin redness during or after use.

When will it ship?

Orders placed before 12pm PT (Pacific Time) on business days ship the same day, otherwise they'll ship the next business day. Delivery generally takes 2–5 business days depending on your state. Free shipping for all headset orders.

What does it feel like?

Most users feel a mild tingling or warming sensation under the electrodes at the start of a session. This usually fades within 10 minutes. Sessions are generally painless and non-invasive.

Do I need the app to use Halo?

Yes - the Halo app is required to operate the headset. It connects via Bluetooth, guides each session, and tracks your usage over time.

The app is free to use and available on iOS and Android.

To run a session, you’ll also need Halo stimulation pads. One box is included with your headset. After that, pads are available for purchase through the Halo website.

Who is Halo for?

Halo is designed for high-performers, creatives, biohackers, and wellness seekers looking to elevate their mood, sleep and focus.

How often should I use it?

For best results, we recommend sticking to the session schedule - by using Halo 5 times per week for the first 3 weeks, followed by 2 sessions per week. Each session takes 30 minutes. Benefits build with consistency - just like physical training.

Do you ship internationally

No - at this time, Halo is only available for shipment within the United States. We’re working to expand availability in the future. Sign up for updates if you’d like to be notified when we launch in other countries.

Try Halo with a 30-day money-back guarantee

Anyone can get a refund within 30 days. We’ve made our returns process as straightforward as possible.

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Submit your refund request within 30 days of the shipment date.

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Receive a prepaid return shipping label via email. 

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Drop off the parcel at any certified mail location or schedule a collection.

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