- What does it do?
AURA Strap measures your body composition and hydration levels on your Apple Watch. - Does it work with my Apple Watch?
AURA Strap supports Apple Watches Series 1 or newer, and connects with 38/40 and 42/44 mm Watches. - How can body composition tracking help me?
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 the numbers) what exercises are definitely good or bad for you. - Does it measure hydration?
Yes, AURA Strap measures how much water you have in your body with the help of bioimpedance analysis. - Does AURA Strap fit my wrist?
AURA Strap comes in two sizes for 38/40 mm and 42/44 mm Apple Watches. The smaller AURA Strap fits 144 - 200 mm circumference wrists and the bigger fits 150 - 225 mm wrists. - Is it waterproof?
Yes, AURA Strap is water resistant. You can wash your hands, shower and even go for a swim with your device. - How are AURA Strap’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 works for up to 6 months using a standard, replaceable wrist watch battery (CR2025). Simply change spent batteries with the included screwdriver, and it's ready to use. - Is it safe to use AURA Strap with a pacemaker?
No, we don't recommend using the device with a pacemaker. - How does Strap connect with Apple Watch? Is it secure?
AURA Strap uses high-frequency sound to transfer measured data. We use a microphone on your Apple Watch as a receiver. AURA app only uses it during measurement and doesn't store or process the sound data for any other needs. - How to use AURA Band?