Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking

Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included) Brand Fitbit Color Black/Black Compatible Devices Smartphones Screen Size 1.5 Inches Item Dimensions LxWxH 9.72 x 1.13 x 0.49 inches Item Weight 100 Grams Battery Life 7 days Buy from Amazon ---------- https://amzn.to/37h3FWO