Fitbit Sense Advanced Smartwatch with Tools for Heart Health, Stress Management & Skin Temperature Trends, Carbon / Graphite Stainless Steel (Renewed)

BATTERY LIFE: 6+ day battery & fast charge** Compatibility: Compatible with iOS 15 or higher & Android OS 9.0 or higher EDA Sensor & Stress Management: The on-wrist EDA Scan app for Sense detects electrodermal activity, which may indicate your body’s response to stress so you can better track and manage it. High & Low Heart Rate Notification: Resting heart rate is a key indicator of health, so Sense keeps you informed when yours appears to be abnormally high or low. 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. Better with Premium: Discover the full Fitbit experience with personalised insights. Connect the dots across your activity, heart rate, stress and sleep so you can make smarter choices. Premium Design: A polished stainless steel ring, custom AMOLED display, laser-bonded Corning Gorilla Glass 3 and innovative biosensor core make every piece of Sense exceptional by design.