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 review: No contest - Android Authority
Fitbit Charge 4 review: Is it the best fitness tracker yet? - Reviewed
Fitbit Charge 4 review: Fitness tracker for the really active users
Fitbit Charge 4 review: Fitness tracker for the really active users
Fitbit Charge 4 Review: 9 New Things To Know
Fitbit Charge 4 Review
Fitbit Charge 4 review: A better fitness tracker without the bulk - CNET
Fitbit Charge 4 Fitness Tracker Review: Twice as expensive as the Huawei Band 4 Pro and also twice as good? - Reviews
Fitbit Charge 4 Review: Good Fitness Tracker, But Overshadowed By Versa 2
Fitbit Charge 4 review: No contest - Android Authority
Fitbit Charge 4 review: A better fitness tracker without the bulk - CNET
Fitbit Charge 4 Review: a Good but Safe Tracker in a Weird Time