Fitbit announces the Charge 4, its first fitness tracker with a built-in GPS - Tech
Fitbit Charge 4 review | Engadget
Fitbit Charge 4 with built-in GPS, NFC, Spotify is available for pre-order
Fitbit Charge 4 review | Engadget
Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep and Swim Tracking, Black, One Size (Small and Large Bands Included) - Walmart.com