Meet Fitbit Sense--the advanced health smartwatch that helps you tune into your body and guides you toward better health. Assess your heart for AFib right from your wrist, detect and manage stress, better understand your sleep quality and even keep an eye on patterns in your skin temperature or well-being with SpO2. Plus, Sense unlocks a 6-month trial of personalized guidance and advanced insights for new Fitbit Premium users. EDA Scan App The on-wrist EDA Scan app detects electrodermal activity--which may indicate your body's response to stress so you can better track and manage it. ECG App With a compatible ECG app right on your wrist, assess your heart for atrial fibrillation--a heart rhythm irregularity--and share the results with your doctor. 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. Understand Your SpO2 Levels See your nightly blood oxygen levels at a glance with our growing collection of SpO2 clock faces. Then use the Fitbit app to track your trends over time in the Health Metrics dashboard to see when there may be indications of important changes in your fitness and wellness. 6-month Fitbit Premium Included Your Sense smartwatch Includes a 6-month trial for new Fitbit Premium members complete with personalized insights, advanced analytics, guided programs, mindfulness & sleep tools, workouts and more. High & Low Heart Rate Notifications Your heart rate is a key indicator of health, so stay informed when Sense detects that your heart rate is unusually high or low. Built-in Voice Assistant Use Google Assistant or Amazon Alexa Built-in to get quick news and weather, set bedtime reminders and alarms, control your smart home devices and more--just by speaking to yoru watch. 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 your phone is nearby. Requires more frequent charging.)