![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/613acns5StL._CR0,388,640,361_SR342,193__BG0,0,0__QL65_.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
![First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker](https://media.dcrainmaker.com/images/2018/08/Fitbit-Charge3-Excercise-Modes.jpg)
First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker
![My Fitbit Charge 3 has these vertical lines running through the screen. It was fine last night. Woke up this morning to find it this way. : r/fitbit My Fitbit Charge 3 has these vertical lines running through the screen. It was fine last night. Woke up this morning to find it this way. : r/fitbit](https://i.redd.it/akpydhlcp6q71.jpg)