Amazon.com: Fitbit Charge 4 Special Edition Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Granite Reflective, One Size (S &L Bands Included) : Sports & Outdoors
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Fitbit Charge 4 monitors heart rate, sleep, and summer runs from $85 (Reg. $130)
The Fitbit Charge 4 is official with built-in GPS and a few other cool tricks up its sleeve - PhoneArena
Fitbit Charge 4 just hit lowest price ever in time for Father's Day | Tom's Guide
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Amazon.com: Fitbit Charge 4 Special Edition Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Granite Reflective, One Size (S &L Bands Included) : Sports & Outdoors
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Amazon.com: Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included) : Sports & Outdoors
Here's the Fitbit Charge 4, looks exactly like Charge 3 - 9to5Google
Fitbit Announces Charge 4 Fitness Tracker With GPS for $149.95
Fitbit Charge 4 review: Excellent health and fitness tracking!
Fitbit Charge 4 update adds new on-device functionality - PhoneArena
Fitbit Charge 4 Review: The Fitness Tracker To Buy | Digital Trends
Fitbit Charge 4 is here: Specs, features, release date - Android Authority
Fitbit Charge 4 on long-term test: Good features, but battery life with GPS is an issue | ZDNET
Fitbit Charge 4 review: Is it the best fitness tracker yet? - Reviewed
Fitbit Charge 4 vs Charge 5: Which is better? | Live Science
Fitbit launches $149 Charge 4 with GPS tracking
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Fitbit Charge 4 Review | PCMag
