Description

This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes a part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.

Optimize your workout routine with a Daily Readiness Score that reveals if you’re ready to exercise or will have to focus on recovery (Requires Fitbit Premium membership)
Get a daily Stress Management Score showing your body’s response to stress and take steps to reinforce your levels with an on-wrist EDA sensor mindfulness session
With the Health Metrics dashboard, track SpO2, heart rate variability, skin temperature variation and more (Not intended to diagnose or treat any medical condition and will have to not be relied on for any medical purposes. It is intended to provide information that can help you manage your well-being)
See your real-time pace & distance without your phone the use of built-in GPS throughout outdoor activity, then see a map of your workout route in the Fitbit app
Includes a 6-month Premium membership complete with personalized insights, advanced analytics, guided programs and more (New & returning Premium users only. Valid payment method required. Content and features may change)
Your stats come to life on a new color touchscreen that’s two times brighter than Charge 4 in daylight, all with battery life of up to 7 days. Use of the all the time-on display and SpO2 features will require more frequent charging. We recommend charging your tracker every few days to be sure you are all the time tracking.
Track calorie burn and optimize workouts with 24/7 heart rate tracking and Active Zone Minutes, which guide you toward your desired intensity level
Get a better understanding of your sleep quality with a daily Sleep Score and graphs of your time in light, deep and REM sleep—then see how you’ll be able to reinforce your sleep and wake up feeling energized
Use the 20 exercise modes to set personal goals for runs, rides, strength training and more, then get real-time stats that can assist you keep the pace or deal with your target heart rate zone