![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 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](https://m.media-amazon.com/images/I/71smqRr0pmL._AC_UF1000,1000_QL80_.jpg)
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
![Fitbit debuts swim-proof Flex 2 & cardio-focused Charge 2 ahead of GPS-equipped Apple Watch 2 - 9to5Mac Fitbit debuts swim-proof Flex 2 & cardio-focused Charge 2 ahead of GPS-equipped Apple Watch 2 - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2016/08/screen-shot-2016-08-29-at-8-19-34-am.jpg?quality=82&strip=all&w=1000)
Fitbit debuts swim-proof Flex 2 & cardio-focused Charge 2 ahead of GPS-equipped Apple Watch 2 - 9to5Mac
![I'm done with FitBit's connected GPS. So many times it's simply inaccurate, some times it's a huge mess. This run was about 18-19km but the app says I ran to the corner ( I'm done with FitBit's connected GPS. So many times it's simply inaccurate, some times it's a huge mess. This run was about 18-19km but the app says I ran to the corner (](https://i.redd.it/b48ny18womo51.jpg)