Fitbit Charge 4: powerful fitness tracker let down by its poor screen – in black and white – and connectivity issues | South China Morning Post
![Fitbit Charge 4 Special Edition Activity Tracker GPS + Heart Rate Granite Reflective FB417BKGY - Best Buy Fitbit Charge 4 Special Edition Activity Tracker GPS + Heart Rate Granite Reflective FB417BKGY - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6405/6405748_sd.jpg)
Fitbit Charge 4 Special Edition Activity Tracker GPS + Heart Rate Granite Reflective FB417BKGY - Best Buy
![Fitbit Charge 5 Advanced Fitness & Health Tracker with Built-in GPS, Stress Management Tools, Sleep Tracking, 24/7 Heart Rate and More, Black/Graphite, One Size (S &L Bands Included) - Walmart.com Fitbit Charge 5 Advanced Fitness & Health Tracker with Built-in GPS, Stress Management Tools, Sleep Tracking, 24/7 Heart Rate and More, Black/Graphite, One Size (S &L Bands Included) - Walmart.com](https://i5.walmartimages.com/asr/84f51d9b-26c0-4bd7-b6f4-b707e43eeb8e.6ea28b718d9680e2bed1208868fbd7c5.jpeg)