Fitbit Charge 4 Blue Leather & Fabric Care Our signature "X" series look

Our signature "X" series look

ergonomic backpack straps and removable shoulder strap

or quick and easy on your shoulder

Ingredients: Water (aqua)

MATERIAL CASE Grey/red tortoise shell acetate

Fitbit Charge 4 Blue Leather & Fabric Care Our signature "X" series lookDescription Features About The Brand Take your goals further with a health & fitness tracker that packs built in GPS for pace and distance, 24 7 heart rate tracking and more into a comfortable wristband. Warranty : 1 year HEALTH All Day Activity Tracking Sleep Tracking Sleep Tracking with Light, Deep, REM Oxygen Saturation (SpO2) Monitoring Skin Temperature Variation Heart Rate Variability Breathing Rate Fitbit Premium Sleep Score All Day Calorie Burn