Fitbit Sense Advanced Smartwatch with Tools for Heart Health, FB512BKBK

Description

Fitbit Sense Advanced Smartwatch with Tools for Heart Health, Stress Management & Skin Temperature Trends, Alexa Built-in, Carbon/Graphite, One Size (S & L Bands Included)
New watch never used.
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
With a compatible ECG app right on your wrist, 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. See fitbit.com/ecg for additional details)
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 SpO2 clock faces
Personalized health & fitness guidance with a free 6-month trial of Fitbit Premium for new Premium users (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)
High & low heart rate notifications alert you if yours seems above or below your average