These are independent reviews of the products mentioned, but TIME receives a commission when purchases are made through affiliate links at no additional cost to the purchaser.

SPECIAL MENTION: The Aura Strap 2 is a smart strap for the Apple Watch that measures body fat, muscle, protein and hydration levels (among other things), adding functionality to your smartwatch. It also offers personalized diet and exercise advice via its iOS app.

Buy Now: Aura Strap 2

 

 

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Write to Mariah Espada at mariah.espada@time.com.

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