Google Fitbit Air

Key Specs & FeaturesDesign & Comfort: Features a screen-free "pebble" sensor that pops out of interchangeable wraparound bands. It weighs only about 12 grams and is 50-meter water-resistant.Health & Fitness Tracking: Automatically detects activities (runs, walks, bike rides) and continuously tracks 24/7 heart rate, sleep stages, SpO2 (blood oxygen), and skin temperature variation.Battery Life: Lasts up to 7 days on a full 90-minute charge, with a convenient quick-charge feature providing a full day of battery in just 5 minutes.GPS & Notifications: Relies on your smartphone's GPS for precise routing. It does not display text or call notifications, focusing solely on wellness data.