Purpose and compatibility
OS compatibility
Android, iOS
Compatible OS Version
Android 10.0, Android 11.0, Android 9.0, Android 8.0, Android 7.0, iOS 12, iOS 11
Display
Dial Shape
Angular
Display type
OLED
Glass
Gorilla Glass
Design and durability
Case Material
Plastic
Case colour
Black
Weight
26 g
Connectivity and sensors
Wireless technology
Bluetooth, GPS
NFC Payment Type
Fitbit Pay
Sensors and hardware
Oximeter, Vibration
Functions
Sports tracking function
Pedometer, Pulse, Distance, Track record, Calorie tracking, Speed, Floors climbed, Interval training, Tempo
Health functions
Monitor sleep
Smart features
Music player in watch
Software
Interface Language
Czech, English, German
Battery life and storage
Max. Battery Life
168 h (7 d)
Normal Battery Life
5 h (0.21 d)
Brand/model
Brand
Fitbit
Model series
Charge 4
