Body composition
Bioimpedance analysis allows AURA Strap to measure fat and muscle mass in your body
Hydration
It is important to stay hydrated. AURA Strap allows you to track your hydration levels anytime
App for Apple Watch and iPhone
Companion app will help you to understand measured data and set new goals
Long life on single charge
AURA Strap run up to 6 months on a replaceable coin battery if you're doing measurement every day
Know your body
composition
You can make a series of measurements day-by-day after a workout and get a trend of your body transformation in the app history.
Bioimpedance is the breakthrough, state-of-the-art technology behind AURA Strap. It is the only way to truly understand how your body changes over a day. Body composition analysis decomposes your body into four components: fat, muscle mass, minerals, and body water. You can get more from your fitness activity because you'll know how it affects your body.
Constant body composition tracking will make your workouts and fitness activity much more interactive because you'll see how your body is changing.


Specifications
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Features
Fat / Muscle measurement
Hydration level tracking -
In/Out
Ultrasound interface for connection to Apple Watch
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For everyone
Stainless steel contacts of unique form for hairy and dry hands
Adjustable nylon straps for any wrist -
Up to 6 months of hard work
Single standard, replaceable watch battery (CR2025) included
High water resistance -
Syncs with your favorite Watches
Supports Apple Watch Series 1 or newer and HealthKit
Companion app for Apple Watch and iPhone
Package
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Package
Includes
• AURA Strap
• Coin battery (CR2025 type)
• Screwdriver for battery replacement
• Quickstart Guide
Choose your Size
AURA Strap works both with 38/40 mm as well as 42/44 mm Watches. Get yours right now!

AURA Strap measures your body composition and hydration levels on your Apple Watch.
AURA Strap supports Apple Watches Series 1 or newer, and it connects with 38/40 and 42/44 mm Watches.
A series of day-by-day measurements provides a trend of your body composition changes. It makes your workouts more efficient because you can understand (by numbers) what exercise is definitely good or bad for you.
Yes, AURA Strap measures how much water you have in your body with the help of bioimpedance analysis.
AURA Strap comes in two sizes for 38/40 mm and 42/44 mm Apple Watches. Small AURA Strap fits 144 - 200 mm wrists in circumference and bigger one fits 150 - 225 mm wrists.
Yes, AURA Strap is water resistant. You can wash your hands, go to shower and even swim with your device.
Electrodes on each side of the device are made of medical stainless steel (contains nickel).
AURA Strap works up to 6 months on a standard, replaceable wristwatch battery (CR2025). Then you change it with the included screwdriver, and it's ready to use.
No, we don't recommend using the device with a pacemaker.
AURA Strap uses high-frequency sound to transfer measured data. We use a microphone on Apple Watch to receive all the parameters. AURA app only uses it during the measurement and doesn't store or process the sound data for other needs.