Fitbit Sense Advanced Smartwatch

EDA Scan app detects electrodermal activity which may indicate your body??s response to stress and a built-in skin temperature sensor logs yours each night so you can see when it varies.Band Size : Small : Fits wrist 140mm _ 180mm in circumference. Large : Fits wrist 180mm _ 220mm in circumference
Assess your heart for atrial fibrillation _a heart rhythm irregularity- and easily share results with your doctor (The Fitbit ECG app is only available in select countries. Not intended for use by people under 22 years old.Operating temperature: 14?? to 113??F
An on-wrist skin temperature sensor tracks yours each night so you can see how it varies. You can also see your nightly blood oxygen levels at a glance with our collection of clock faces.Radio transceiver: Bluetooth 5.0.Operating temperature: -10?? to 45?? C
High & low heart rate notifications alert you if yours seems above or below your average.Battery lasts 6 plus days plus, fast charging gives you a full day??s charge in just 12 minutes (Varies with use and other factors; up to 12 hours with continuous GPS).Use built-in GPS during runs, hikes, rides and more to see pace & distance without your phone and use the built-in mic and speaker to take Bluetooth calls hands-free when your phone is nearby (Requires more frequent charging).