Learn to manage stress, sleep better and live healthier with Sense 2-our most advanced health and fitness smartwatch Manage stress and live healthier: all-day stress detection with cEDA and daily Stress Management Score, ECG app for atrial fibrillation assessment(1), irregular heart rhythm notifications(2), SpO2(3), health metrics dashboard(4), menstrual health tracking and mindfulness content Measure and improve sleep quality: personalized Sleep Profile(5), daily sleep stages & Sleep Score, smart wake alarm and do not disturb mode Enhance activity: built-in GPS and workout intensity map, Daily Readiness Score(5), Active Zone Minutes, all-day activity tracking and 24/7 heart rate, 40+ exercise modes and automatic exercise tracking Designed for all-day wear: on-wrist Bluetooth calls (coming soon), texts and phone notifications(6), customizable clock faces, Fitbit Pay(7), Amazon Alexa built-in(8), Google Wallet & Maps (coming soon), sleek, slim and water resistant to 50 meters, 6+ day battery & fast charge(9)