STRESS MANAGEMENT: Use on-wrist EDA scan and in-app stress management tools to better track stress over time, understand how your stress and mood are related, access guided mindfulness sessions, and more. ON-WRIST SKIN TEMPERATURE SENSOR: Sense logs your skin temperature each night to show how it varies from your personal baseline, so you can be aware of trends over time. HIGH & LOW HEART RATE NOTIFICATIONS: Resting heart rate is a key indicator of health, so Sense keeps you informed when yours appears to be abnormally high or low. BUILT-IN GPS: During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance without your phone on Sense, then see a map of your workout in the Fitbit app. FEMALE HEALTH TRACKING: Know your body better by using your watch and the Fitbit app to log periods, record symptoms, track your ovulation and discover patterns in your cycle. WATER-RESISTANT + SWIM TRACKING: Sense is water-resistant to 50 metres, which means you’re free to track laps in the pool, wear it in the shower, at the beach and beyond. SLEEP STAGES & SLEEP SCORE: See your time in light, deep and REM sleep and get a daily Sleep Score in the Fitbit app and on your wrist to better understand your sleep quality each night. CALLS FROM YOUR WRIST: Use the built-in mic and speaker to take Bluetooth calls hands-free, send callers to voicemail and adjust volume. Available when phone is nearby.