Winning is a process.

AURA Strap 2

ensures you stay on track

AURA Strap 2 for Apple Watch is an accessory that delivers advanced insights about your body composition & water levels to enhance performance, strength, and muscle growth. Optimize your workouts and conquer your fitness goals!

Get Started

Winning is a process.

AURA Strap 2

ensures you stay 

on track

AURA Strap 2 for Apple Watch is an accessory that delivers advanced insights about your body composition & water levels to enhance performance, strength, and muscle growth. Optimize your workouts and conquer your fitness goals!

Get Started

AURA Strap 2 
for Apple Watch 

helps you build habits, track progress, 
and optimize your workouts, tailored 

to your training lifestyle.

Add to Cart

AURA Strap 2 for Apple Watch 

helps you build habits, track progress, 
and optimize your workouts, tailored 

to your training lifestyle.

Add to Cart

Stay Motivated 


and Crush Your Goals

Nothing fuels your drive like seeing measurable progress. With AURA Strap 2, track muscle gains, fat loss, and water levels changes. Whether you're building strength or fine-tuning your physique, these insights keep you inspired and on track.

See Your True Strength Progress

Track changes in muscle growth and fat reduction to uncover real progress, even when the scale doesn’t budge. AURA Strap 2 helps you focus on building lean muscle and improving body composition, ensuring lasting results that go beyond numbers on a scale.

Personalized Insights for Maximum Gains

AURA Strap 2 tailors feedback to your training lifestyle, helping you optimize workouts and nutrition for muscle growth. 


No generic advice — just data-driven adjustments that align with your unique fitness journey.

Set Goals and Track Every Rep

Define targets based on muscle mass, fat percentage, or other key metrics. The AURA App’s Biogram chart visualizes your progress, keeping you focused and driven to achieve your goals.

AURA Strap 2: Why It’s Worth It

Cutting-Edge Precision

Accuracy to 95% in comparison with 

the golden standard DEXA-scan

Real-Time Data

Monitor your body composition anytime anywhere

Long Battery Life

Up to 6 months 
on a single battery

Splash Resistant

AURA Strap 2 is sweat resistant 
and safe to use in shallow water

Full sync with HealthKit

AURA App is fully compatible 
with Apple HealthKit

Comfort and Durability

Experience superior comfort and durability with device ergonomic design and premium materials

Add to Cart

No goal is too big.

Let’s achieve it together 


with AURA Strap 2

As seen on

As seen on

Finally, a body composition gadget that won’t tell you to just lose weight

Meet the AURA Strap 2, the easiest and best way to unlock new health features from your Apple Watch.

This Apple Watch Band Can Help You Achieve the Physique of Your Dreams. The all-new Aura Strap 2 can be the key you need for a new look at health and wellness data tracking.

The sensors built right into the Aura Strap 2 add a wealth of body-tracking information that you can’t with the Apple Watch’s default Fitness app.

9/10 of our users

see noticeable workout progress, including significant muscle growth, 

after they start tracking their body with AURA Strap 2

Try it Now

Blog

FAQ

What does it do?

AURA Strap 2 measures your body composition and hydration level on your Apple Watch.

Does it work with my Apple Watch?

Supports Apple Watch Series 3 to Series 11, including SE 3 and Ultra 3. It connects with 38/40/41/42 and 42/44/45/46/49 mm Watches. Choose the size to fit your Watch.

How can body composition tracking help me?

A series of day-by-day measurements shows the trends as your body composition changes. It makes your workouts more efficient, because you can understand (by the numbers) what exercises are definitely good or bad for you.

Does it measure hydration?

AURA Strap 2 measures how much water you have in your body with the help of bioimpedance analysis.

Does AURA Strap 2 fit my wrist?

Each device comes with 4 sets of Infinite loops. The set for 38/40/41mm Apple Watches includes XS, S, M, and L loop sizes and fits 130–200mm wrists. The set for 42/44/45/49mm Apple Watches includes M, L, XL, and XXL loop sizes and fits 140–220mm wrists. You can pick the size and tightness according to your preferences!

Can I share AURA Strap 2 with a friend or family member?

AURA Strap 2 measures your body composition and hydration level on your Apple Watch.

Is it waterproof?

AURA Strap 2 is water resistant. The device will not be affected by high moisture or immersion in water up to 50cm / 20 inches. But the device may suffer from direct exposure to a high-pressure water stream. We do not recommend diving, water skiing, or other activities involving high-velocity water or submersion below shallow depth.

How are AURA Strap 2’s electrodes made?

The electrodes on each side of the device are made using medical stainless steel (contains nickel).

How long does it work on a single charge?

AURA Strap 2 works for up to 6 months using a standard, replaceable round coin battery (CR1632). Simply change spent batteries with the included pick, and it's ready to use.

Is it safe to use AURA Strap 2 with a pacemaker?

No, we don't recommend using the device with a pacemaker.

Can the AURA Strap 2 detect medical conditions or illnesses?

No, the AURA Strap 2 is not designed to detect or treat any medical conditions or illnesses.

How does Strap 2 connect with Apple Watch? Is it secure?

Strap 2 uses a BLE 4.2+ interface to transfer measurement data. Data transferred between devices is encrypted. The reliability of Bluetooth reduces the number of unsuccessful measurements by 99.99% and allows users to take measurements in any environment.