AURA Strap for Apple Watch

Measure hydration levels & body composition on your Watch

An extension for Apple Watch that boosts its fitness features with body composition and hydration levels tracking. Connects with your Watches like a regular strap and work up to 6 months on a single replaceable coin cell.
Discussion
Would you recommend this product?
2 Reviews5.0/5
How often does it track? Do you have to initiate app or does it track in background.
This is a great idea and seemingly a great implementation. Well done.
I want this, has anyone used the regular Aura strap before? First time hearing about it