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. 

1. What’s Included

Everything You Need to Get Started
Your Darwin Renewed tablet or smartwatch includes the essential accessories normally supplied with the product when new. Accessories may be compatible replacements rather than original manufacturer accessories, but they are tested for compatibility and functionality.
Products may arrive in the original retail packaging or in clean, protective replacement packaging.

2. Renewed Condition & Testing

Renewed, Tested & Ready to Use

Every Darwin Renewed tablet and smartwatch is inspected, function-tested and restored to factory settings before shipping.
Products are sold in Premium or Excellent cosmetic condition and may show only the level of cosmetic wear described for that condition.
For tablets and smartwatches, we check key functions such as:
Display and touchscreen
Charging
Buttons and controls
Wi-Fi / Bluetooth connectivity
Speakers and microphone, where applicable
Basic device functions and sensors, where applicable

3. Darwin Renewed Guarantee

Buy with Confidence — Darwin Renewed Guarantee

If your renewed product does not work as expected or you are not satisfied with your purchase, you can return it within the applicable return period for a refund or 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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