Fitbit Charge 3
Quick details
Released
October 2018
Dimensions
35.8 x 22.7 x 11.8 mm
Operating system
FitbitOS
Display 1.57 inch greyscale OLED touchscreen
Battery life Up to 7 days
Water resistance 5 ATM
GPS Connected GPS
Sensors 3-axis accelerometer, altimeter, optical heart rate, relative SpO2, vibration motor; connected GPS via phone; NFC on Fitbit Pay models
Technical specifications
General
Release date 2018-10-07
Product type Fitness tracker
Physical size 35.8 x 22.7 x 11.8 mm
Weight 29 g
Material Anodized aluminium housing and buckle; flexible elastomer classic band; Corning Gorilla Glass 3 display
Water resistance 5 ATM
Color options Two case colors: Graphite and Rose Gold
Display type Greyscale OLED touchscreen
Display size 1.57 inches
Display resolution 100 x 160 pixels
Display brightness Peak brightness not published
Display protection Corning Gorilla Glass 3
Battery Rechargeable lithium-polymer battery; 71 mAh
Battery life Up to 7 days
Charging USB charging cable
Charging time About 1-2 hours
Sensors
GNSS type Connected GPS
GPS Connected GPS
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope No
Barometric altimeter Yes
Compass No
Geomagnetic No
Ambient light sensor No
Optical heart rate Yes
Electrical heart rate No
SpO2 No
Temperature No
Galvanic skin response No
Microphone No
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors Yes
Sports tracking Yes
Sleep Yes
Heart rate Yes
HRV Yes
Stress No
Blood oxygen No (relative SpO2 sensor supports oxygen-variation insights, not SpO2 percentage tracking)
Respiration rate Yes
Skin temperature No
ECG No
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Daily Readiness No
Cardio Load No
Target Load No
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis Yes
Daily smart features
Smartphone compatibility Compatible iOS/Android devices via Fitbit app; phone GPS required for connected GPS
Operating system at launch FitbitOS
Data retention 7 days detailed data; 30 days daily totals
Bluetooth Yes (4.0)
Wi-Fi No
NFC / connected pay NFC: Optional / Fitbit Pay-enabled models; Connected pay: Yes (Special Edition)
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
Affiliate link Amazon
Read more Fitbit Charge 3 review
These technical specs are correct to the best of our knowledge at the time of publishing.
