Refurbished (Good) - Fitbit Sense Smart Watch - Carbon

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

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

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

Use on-wrist and in-app stress management tools to better track stress over time, understand how your stress and mood are related, access guided mindfulness sessions and more

Resting heart rate is a key indicator of health, so Sense keeps you informed when yours appears to be abnormally high or low

Active Zone Minutes help you make every minute count during workouts by buzzing your wrist when you enter your personalized target heart rate zones

During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance on Sense, then see a map of your workout in the Fitbit app

See your time in light, deep and REM sleep and get a daily Sleep Score in the Fitbit app and on your wrist to better understand your sleep quality each night

Get notifications for calls, texts, calendar events and apps like Gmail and Facebook - plus send quick replies on Android only and voice replies right from your wrist (available when phone is nearby)

Use Google Assistant or 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 your watch

With an all-new multipath sensor, Sense delivers PurePulse 2.0 - Fitbit’s 24/7 continuous heart rate tracking for exercise, sleep tracking and everything in between

Choose from hundreds of clock face designs and store up to 5 of your favourites right on your wrist, or go for something totally unique with your own photo

Polished stainless steel ring and colour AMOLED display, laser-bonded Corning Gorilla Glass 3 and an innovative biosensor core make every piece of Sense exceptional by design

Sense is water resistant to 50 metres, which means you’re free to wear it in the pool, in the shower, at the beach and beyond