AURA Strap 2

You don’t need your smart scales anymore!

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Upgrade your smart scales to AURA Strap 2 and become part of a vibrant community of dynamic individuals.

Discover the power of mindful weight loss and supercharge your workouts with body composition monitoring, AURA App analytics and recommendations. 

  • AURA Strap 2

    Gives personal recommendations based on your body composition

  • Smart Scales

    Gives general graphs of your body composition

  • Syncs with Apple Watch that has lots of features, so you’ve got ultimate health gear right on your wrist

  • You have to buy several devices to get the same features

  • 95% accuracy proved by constant researches

  • Most of smart scales manufacturers don’t provide accuracy researches

  • Regular updates and support of the AURA App

  • Most of smart scales manufacturers provide updates of their software not on regular basis

  • Portative device — take a measurement anywhere you like

  • You should take a measurement at your home

What makes AURA Strap 2 so awesome?

Shows the best way to weight loss

Use AURA Strap 2 along with a diet and workout plan to monitor your fat loss, so you will see what works best for you.

Manage your fitness routine

Plan your workouts depending on your current body composition and your target body type.

Personal coach right on your wrist

AURA Strap 2 is like having your own personal trainer on your wrist, available anytime you need it.

Find balance in your fitness

AURA App gives you fitness advice based on your data to gently guide you towards your dream body.

Sign up to receive a guide for confidently starting your fitness journey

What’s included

• AURA Strap 2
• Infinite Loops
• Coin Battery (CR1632)
• Pick for Battery and Loop replacement
• Quickstart Guide

  • 95% measurement accuracy

    Read more 
  • Sync with Apple HealthKit

  • Lots of body composition parameters

  • Battery life up to 6 months

  • Stretchable Infinite Loop fits any wrist

  • 4 Loop sizes in the box

  • Reliable BLE connection

  • AURA Strap 2 complies with WR-50 water resistance standard

  • Free shipping

    All orders containing a device include free shipping in the US

    See the conditions 
  • 15-day returns

    We accept all returns within 15 days. No questions asked.

  • Secured payments

    Shop with confidence: all payment details are protected via SSL encryption.

  • 1-year warranty

    We'll repair or replace your device for any covered issue for 1 year after you receive your product.


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 8, including Ultra and SE. It connects with 38/40/41 and 42/44/45/49 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 42/44/45mm 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?

With the "Guest" feature, you can let your friend or family member take a measurement. It won't affect your progress data.

Is it waterproof?

AURA Strap is water resistant. The device will not be affected by high moisture or immersion in water up to 50 cm / 20 inches, but the device may suffer from direct exposure to a high-pressure water stream. We do not recommend swimming or using the device in the shower.

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.

  • Compatibility

    AURA Strap 2 works only with Apple Watch Series 3 or newer, including SE and Ultra. Supports HealthKit Companion app for Apple Watch.

  • For everyone

    Uniquely designed stainless steel contacts for hairy and/or dry hands.

  • Features

    Body composition measurement and tracking. It measures the percentage of fat, muscle, protein, bones, and water in your body.

  • Up to 6 months of hard work

    Single standard, replaceable CR1632 round coin battery (included).

  • High water resistance

    AURA Strap 2 complies with the WR-50 water resistance standard.

  • Signaling

    LED indicator to show current status.

  • Stays up-to date

    The firmware can be upgraded by the user as AURA continues improving the software for better accuracy and faster measurements.

  • What’s Included

    AURA Strap 2 with battery, Infinite Loops in M, L, XL and XXL sizes, pick for battery and loop replacement, quick start guide.

  • Dimensions

    AURA Strap 2 comes in two sizes: for Apple Watch 38/40/41 and for Apple Watch 42/44/49.

  • In/Out

    Reliable Bluetooth Low Energy 4.2+ protocol.