The Google Fitbit Air is a screenless health tracker built for people who want continuous health monitoring without the bulk or distraction of a smartwatch. At 12 grams with the band and just 8.3mm thin, it sits quietly on your wrist throughout your day, your workouts, and your sleep without asking anything of you. The screenless design is intentional: the tracker collects your health data continuously, and you review it whenever you want through the Google Health app on your phone. It monitors heart rate around the clock, measures blood oxygen levels (SpO2), tracks your sleep stages with a machine learning model that delivers 15% more accurate results than the previous generation, and checks for signs of atrial fibrillation (AFib) — a feature rarely found in trackers at this level. The Google Health app transforms that data into actionable guidance through an AI-powered health coach built on Gemini, giving you personalised fitness and sleep plans based on your actual metrics. Battery lasts a full week on a single charge, and the tracker is water-resistant to 50 meters, compatible with most Android and iOS devices. Google Fitbit Air Key Features: Lightweight design you stop noticing The tracker body weighs 5.2 grams alone and 12 grams with the band. At 8.3mm thick, it sits flush on your wrist — thin enough to wear comfortably during sleep without the pressure or bulk of a traditional smartwatch. Continuous health monitoring, all day and night Tracks heart rate, heart rate variability (HRV), SpO2 blood oxygen, breathing rate, skin temperature variation, and resting heart rate — all automatically, without any input from you. AFib detection — a standout feature for this category The tracker monitors your heart rhythm during rest and sleep and sends an alert if it notices irregular patterns that may be worth discussing with a doctor. This level of cardiac monitoring is uncommon in trackers at this category, making it a meaningful differentiator for health-conscious users. More accurate sleep tracking A new machine learning model improves sleep stage accuracy by 15% compared to the previous Fitbit generation, according to Google. The tracker monitors light, deep, and REM sleep stages along with naps and disturbances, generates a daily Sleep Score, and uses Smart Wake to wake you gently at the optimal point in your sleep cycle via a light vibration. Automatic workout detection The tracker identifies physical activity on its own and logs it without any manual input. Steps, distance, calories burned, and Active Zone Minutes are tracked continuously throughout the day. AI health coaching through Google Health The Google Health app connects your tracking data to a Gemini-powered coach that builds personalised workout and sleep plans, tracks your progress over time, and answers health questions with evidence-based responses. Health data can also be exported in a readable format to share with a medical professional. Seven-day battery with fast charging A full week of tracking on one charge means you are not thinking about plugging it in every night. Fast charging gets it back up quickly when you do need to top it up. 50-meter water resistance Suitable for swimming and showering. The housing is made from recycled polycarbonate and PBT plastics. The included band is woven textile with a stainless steel buckle. No screen, no notifications, no distractions Without a display, there are no alerts pulling your attention to your wrist. The tracker does its job quietly, and your health data waits for you in the app when you are ready to check it. Pairs with Pixel Watch simultaneously You can connect both the Fitbit Air and a Google Pixel Watch to the Google Health app at the same time, switching between them while keeping one unified health record. Connectivity & Compatibility: Android: 11 or higher iOS: 16.4 or higher Connection: Bluetooth Required app: Google Health (formerly Fitbit app) Required account: Google Account Compatible with Google Pixel Watch — both devices can be paired to the same Google Health account simultaneously
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