Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)

Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)

$143.78

SKU: B084CQ41M2 Category:

Color:Black/Black | Edition:Regular

With Fitbit Charge 4, there’s no limit to how far you can go. This sleek, swimproof tracker is packed with features that help you know your workouts and your body better like built-in GPS, Active Zone Minutes, Sp02, exercise modes and sleep tracking. Plus, with Fitbit Pay and up to 7-day battery life, you get more convenience on the go and more inspiration to reach your fitness goals.

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Does the charge 4 measure blood oxygen sensor? And how do i turn it on?Back to product
asked by admin on 2021-01-04 00:00:00
1 answers shown
  1. It tracks your estimated blood oxygen variations as part of sleep tracking. The data just appears as a line graph of either “low variation” and “high variation” and does not show any numbers
    admin answered on 2021-01-04 00:00:00
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