Certified Renew
Renewed Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black, One Size

Renewed Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black, One Size

Original price was: $149.95.Current price is: $69.99.

  • Use built-in GPS to see your pace and distance on screen during outdoor runs, rides, hikes and more and see a workout intensity map in the app that shows your heart rate changes along your route. 
  • With Active Zone Minutes, feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise. 
  • Use 24×7 heart rate to track resting heart rate & better measure calorie burn. Syncing to mobile devices requires Bluetooth LE and internet connection. Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later. 
  • See your SpO2 nightly average and range on wrist, and view trends over the past week in the Fitbit app (SpO2 is not available in all markets. The SpO2 feature is not intended to diagnose or treat any medical condition or for any other medical purpose). 
  • Track your skin temperature each night to see how it varies from your personal baseline (Not available in all markets. Only available in the Fitbit app and only displays variation. Not intended for medical purposes). 
  • Track workouts in real-time with 20 plus goal-based exercise modes. It’s also swimproof and water resistant to 50 Meters, so you can track swims, wear in the shower and more. 
  • Multi-day battery lasts up to 7 days and up to 5 hours when using built-in GPS (varies with use & other factors). Track sleep stages & review your in-app Sleep Score for an easy way to see how well you slept. 

What should I expect to receive with my Darwin Renewed purchase?

All Renewed purchases will come with accessories equivalent to those that shipped in the box when new. These items may not be original but will be compatible and fully functional. Darwin Renewed products will be packaged in either original packaging or in a new and clean cardboard box.

In what condition can I expect my Darwin Renewed product to be?

Product will be restored to its original factory settings and will be in the following cosmetic conditions Premium, Excellent.

Darwin Renewed Guarantee

A satisfaction guarantee – if you are unsatisfied with your purchase (including the product not working as expected), return the product within 90 days of receipt of your original purchase (or within 1 year of receipt of a Renewed Premium product) and we will offer you a full refund or a replacement.

GTIN: 810038852218 SKU: 810038852218 Category:

Description

  • Use built-in GPS to see your pace and distance on screen during outdoor runs, rides, hikes and more and see a workout intensity map in the app that shows your heart rate changes along your route. 
  • With Active Zone Minutes, feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise. 
  • Use 24×7 heart rate to track resting heart rate & better measure calorie burn. Syncing to mobile devices requires Bluetooth LE and internet connection. Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later. 
  • See your SpO2 nightly average and range on wrist, and view trends over the past week in the Fitbit app (SpO2 is not available in all markets. The SpO2 feature is not intended to diagnose or treat any medical condition or for any other medical purpose). 
  • Track your skin temperature each night to see how it varies from your personal baseline (Not available in all markets. Only available in the Fitbit app and only displays variation. Not intended for medical purposes). 
  • Track workouts in real-time with 20 plus goal-based exercise modes. It’s also swimproof and water resistant to 50 Meters, so you can track swims, wear in the shower and more. 
  • Multi-day battery lasts up to 7 days and up to 5 hours when using built-in GPS (varies with use & other factors). Track sleep stages & review your in-app Sleep Score for an easy way to see how well you slept. 

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