Meet the invisible power of effortless tracking. The new Google Fitbit Air is the unbelievably comfortable, exceptionally smart activity tracker designed to transform your health.[1] The lightweight, micro-adjustable fit sits quietly and securely, so you can wear it through work, workouts, and sleep without noticing it. Google Health brings out your best with effortless tracking and personalized coaching that’s built with Gemini and made for you.[2] And with up to a week’s worth of battery, it keeps up with your busy life.[3]