•Optimize your routine with Daily Readiness*
•EDA detection and stress management tools
•Heart rhythm assessment with ECG app**
•High and low heart rate notifications
•On-wrist skin temperature sensor
•Google Assistant and Amazon Alexa Built-in***
•Understand your SpO2 (blood oxygen) levels
•Built-in GPS
•6 day battery life, varies with use and other factors
•Water-resistant to 50M for wear in the shower, pool and beyond

Meet Fitbit Sense--the advanced health smartwatch that helps you tune into your body and guides you toward better health. Assess your heart for atrial fibrillation (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 Fitbit Premium membership**** for new which includes personalized tools like Daily Readiness*--so you can do what's best for your body.

*Daily Readiness requires a Fitbit Premium membership. Premium content recommendations are not available in all locales and may be English only.
**Fitbit ECG app is only available in select countries.Not intended for use by people under 22 years old.
***Voice assistant availability and features may vary.
****New premium users only. Must activate with device. Valid payment method required. Free trial must be activated within 60 days of device activation. Cancel before free trial ends to avoid subscription fees.
Features: Black (band)
Weight: .07 Pounds
Water Resistance: Water-Resistant
Product Model: Fitbit Sense
Electronics Features: Water-Resistant, Calendar Notifications, Changeable Bands, Voice Control, Built-In GPS, Music Capabilities, Accelerometer, Alarm Notifications, Reminders to Move, Route Tracking, App Notifications, Makes and Receives Calls and Texts When Paired with Compatible Device, Text Notifications, Touchscreen Display, Call Notifications
Material: Watch Band: Silicone
Includes: Instructions, Charging Cable, Wristbands
Operating System Compatibility: Apple iOS, Android
Connection Types: USB
Wireless Technology: Bluetooth, near field communication, Wi-Fi
Screen Size: 1.58 Inches
Activities tracked: Mountain Biking, Yoga, Multi-Sport Modes, Dynamic Workout Activities, Hiking, Tennis, Running, Pilates, Elliptical Training, Golf, Swimming, Martial Arts, Cycling, Weights, Walking
Maximum Battery Charge Life: 6 Days
Metrics Measured: Calories Burned, Heart Rate, Sleep Quality, Floors Climbed, Stress Level, Active Minutes, Sleep Duration, Daily Distance, Trip Time, Heart Rhythm (ECG), Sleep Interruptions, Total Steps, Menstruation, Blood Oxygen Level (SpO2), Trip Distance, Sleep Stages
Material: Stainless Steel, Aluminum Alloy
Battery: 1 Non-Universal Lithium Ion, Required, Included
UPC: 811138036980
Model: 80188504