Google Fitbit Air - Screenless Activity Tracker with Fitness, Heart Rate, and Sleep Tracking - Personalized AI-Powered Coaching - Up to 7 Days’ Battery Life - Works with iOS and Android - Obsidian

["Google Fitbit Air is the unbelievably comfortable, exceptionally smart way to transform your health[1]; and Google Health brings together effortless tracking and adaptive coaching to help make the most of your everyday[2]","Unlock more with Google Health Premium: With a premium membership, get personalized coaching that’s built with Gemini and adapts to your life[2]; get a 3-month trial at no cost to you[5] (Google Health Premium subscription sold separately)","Comfortable fit - One Size Tracker (130-210 mm): The lightweight, micro-adjustable fit sits comfortably and quietly, so you can wear Google Fitbit Air through work, play, and sleep; advanced sensors and new algorithms power more accurate, precise health tracking, 24/7[1]","Designed for every occasion: With no screen to distract you or disrupt your style, your tracker moves seamlessly from bracelet to workout band to sleep band, and you can change looks in seconds – just press the pebble in, click, and go","Long battery life: Google Fitbit Air’s battery lasts up to a week, and fast charging gets you one day of battery life in just five minutes[6,7]","Personalized fitness plans: Whether you’re focused on day-to-day progress or chasing longer-term goals, Google Health Coach follows your lead, with fitness plans that fit your life and coaching that adapts to you[2] (subscription required)","Deeper rest and better recovery: Take the guesswork out of rest and recovery; plans adjust to your lifestyle; whether you’re managing sleep in a new time zone or adjusting workouts around an injury[2,6] (subscription required)","Holistic health and wellness: You set the vision; Google Health Coach supports you with guidance powered by a holistic view of your health and wellness, whether it’s spotting key trends or celebrating your wins[4] (subscription required)","A path to better sleep: Google Health Coach goes beyond tracking your sleep to help you understand your sleep patterns and how to improve them, with science-backed, actionable guidance that helps you wake up ready for what’s ahead[2]","Protects your privacy: All of your data from your Google Fitbit Air, from how many steps you take to how long you sleep, is controlled by you and protected by built-in security"]