Screenless Lightweight Fitness Tracker designed for all-day comfort (only 5.2g without band)
Advanced Health Sensors including heart rate monitor, SpO2 (blood oxygen), skin temperature sensor, accelerometer, and gyroscope
Continuous Heart Rate Tracking with data recorded at 2-second intervals
Sleep & Activity Tracking with detailed motion data stored for up to 7 days (minute-by-minute)
30-Day Summary Storage for daily health and activity totals
Up to 7 Days Battery Life with lithium-polymer battery