The Fitbit Charge 4 fitness tracker builds on its predecessors with the addition of standalone GPS, Spotify support, more sleep tools, and Fitbit Pay.
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Fitbit updates its most advanced tracker with GPS and Spotify support
Fitbit Charge 4 on long-term test: Good features, but battery life with GPS is an issue
Fitbit Charge 4 review
Geek Review: Fitbit Charge 4
Fitbit Charge 4 Review: A Smarter Fitness Tracker - htxt
Fitbit Charge 4 review
Fitbit Charge 4 review: No contest - Android Authority
Fitbit Charge 4 Review: The Good & Bad
Fitbit Charge 4 REVIEW
Fitbit Charge 4 review: A better fitness tracker without the bulk - CNET
Fitbit Charge 4 review: Fitness tracker for the really active users
Fitbit Charge 4 review
Fitbit Charge 4 Review
Fitbit Charge 4 review: Top fitness tracker with one problem - Wareable
Fitbit Charge 4 review
Fitbit Charge 4 Review: a Good but Safe Tracker in a Weird Time
