Phreno Impact Sensor
Every impact tells a story. Together, this is how we make them count.
The Phreno Impact Sensor is a next-generation head impact and performance tracker built for athletes who push limits. Whether you’re on the football field, ski slopes, or mountain trails, Phreno captures and analyzes every hit, helping you stay safer and train smarter.
Key Features:
- Dual-Sensor Precision
Powered by a ±200 g high-G accelerometer and a precision IMU gyroscope, Phreno measures both linear and rotational forces to deliver a complete picture of every impact.
- Real-Time Impact Alerts
If a significant hit occurs, you’ll get an instant alert through the Phreno app, allowing quick evaluation and smarter decisions.
- Always-On Smart Design
Phreno automatically activates when you pick up your gear and powers down when your session ends. No buttons, no setup, just pure focus.
- Offline Reliability
Even without Bluetooth connection, Phreno securely stores impact data in onboard memory and syncs to the app later.
- Durable, Lightweight Housing
Engineered from carbon-fiber reinforced PETG, the shell is built to withstand up to 200 g impacts while staying ultralight for all-day use.
- Long Battery Life
An 80 mAh lithium-ion battery powers Phreno for up to 7 days per charge, easily recharged via USB-C (cable included).
- Seamless App Integration
The iOS app provides visual dashboards, personalized feedback, heat maps, and long-term data tracking.
📦 What’s Included:
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Phreno Sensor
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USB-C Charging Cable
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Quick-Start & Mounting Guide
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Access to Phreno iOS App
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3M tape pre-installed
Phreno is not a medical device and is not intended to diagnose or treat concussion or brain injury.
Pairs well with
Phreno Impact Sensor
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Product details
The Sensor
An athlete takes a fall, Phreno's sensor detects the impact immediately and sends the data to the app via bluetooth, analyzes it, and our app alerts the user or medical staff with a detailed report on the impact's severity. This quick, actionable data is what sets us apart, ensuring fast and accurate responses to protect athletes.
The App
Our app receives the impact data and analyzes it within seconds, then alerts the user or medical staff with a detailed report on the impact's severity. The app provides the user with extremely detailed reports on the impact which can be used in conjunction with the SCAT5 concussion test to provide the best diagnosis possible.
The Algorithm
Once an impact is detected, the algorithm analyzes the data against predefined thresholds that are scientifically linked to concussion risk. This might involve calculations to assess the force, angle, and location of the impact relative to known concussion-inducing impacts. The algorithm evaluates the analyzed data to estimate the risk of concussion. This step uses machine learning models that have been trained on large datasets of documented head injuries to predict concussion likelihood based on impact characteristics
The Analytics
The app provides the user with extremely detailed reports on the impact which can be used in conjunction with the SCAT5 concussion test to provide the best diagnosis possible.
FAQs
Please read our FAQs page to find out more.
Who is Phreno for?
01 - Athletes at any level, any age: Phreno is designed for any sport that you wear a helmet or headband in. Football, Soccer, Skiing, Hockey, Bicycling, and many many more!
02 - Those who care about their health: Phreno is for those who want to preserve the longevity of their health and well-being when participating in activities that are at high risk of head injuries.
03 - Data Obsessed: Many of you are just like us, obsessed with data and numbers, especially when it comes to health.
What Doctors say about Phreno?
“As a Pediatrician who frequently evaluates young athletes with head injuries, I believe having a tool that provides accurate and real-time data on the impact will make diagnosing concussion easier, faster, and complement the SCAT tool“
- Liesl Young, MD - Physician and CIN Board of Managers