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Add 1 Year Warranty - $21.99
Add 2 Year Warranty - $28.99

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Make your Apple Watch an ultimate fitness tool by adding Aura Strap. This strap comes with a bioimpedance analysis, enabling you to measure fat and muscle mass in your body. Using this strap will also track your hydration levels anytime, enabling you to stay hydrated all the time. 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 Analysis. Measure your fat & body mass accurately
  • Hydration Traker. Lets you know your level of hydration anytime.
  • Apple HealthKit App. Helps you understand measured data & set new goals
  • Long life. Run up to 6 months on a replaceable coin battery
  • Splash Resistant. Repels sudden splashes of water
  • Ultrasound Interface. For connection to Apple Watch
  • Fits Any Wrist. Easily adjustable nylon strap to fit any wrist

How It Works

  1. Open Aura App on your Apple Watch
  2. Push-button on the strap
  3. Touch electrodes to create a circult & start the measurement
  4. Wait for 30 seconds as the app needs to get stable data about your body's active & reactive resistance
  5. Get the result using its companion app


  • 9.1/5 stars on TheGadgetFlow: ★ ★ ★ ★ ★ ★ ★ ★ ★
  • Engadget: "Aura squeezes its fitness band into an Apple Watch Smart Strap"


  • Color: black
  • Materials: plastic, nylon, stainless steel
  • Size: 42 to 44mm
  • Long battery life: up to 6 months with a replaceable coin battery
  • Functions
    • Fat or muscle mass measurement
    • Hydration levels
  • Long life
  • Splash resistant
  • Easy to use
  • App: Apple HealthKit
  • Manufacturer's 1-year warranty


  • Apple Watch Series 1 or later
  • iPhone smartphone


  • Aura Smart Strap for Apple Watch (Black)
  • Coin Battery (CR2025 type)
  • Screwdriver For Battery Replacement
  • Quickstart Guide


  • Ships to US
  • Expected Delivery: Feb 3 - Feb 8


  • Returns accepted within 30 days of shipment for orders within the Contiguous US.