Fitbit Classic
Quick details
Released
September 2009
Dimensions
55 x 19.5 x 14 mm (H x W x D)
Operating system
FitbitOS
Display OLED
Battery life 5-7 days
Water resistance Sweat, rain and splash resistant
GPS No
Sensors 3-axis accelerometer
Technical specifications
General
Release date 2009-09
Product type Fitness tracker
Physical size 55 x 19.5 x 14 mm (H x W x D)
Weight 11 g
Material Thermoplastic. The clip is made of silicone and metal
Water resistance Sweat, rain and splash resistant
Display type OLED
Display brightness Peak brightness not published
Battery Rechargeable lithium-polymer
Battery life 5-7 days
Charging USB charging cable
Sensors
GNSS type None
GPS No
GALILEO No
GLONASS No
QZSS No
Beidou No
Accelerometer Yes
Gyroscope No
Barometric altimeter No
Compass No
Geomagnetic No
Ambient light sensor No
Optical heart rate No
Electrical heart rate No
SpO2 No
Temperature No
Galvanic skin response No
Microphone No
Speakers No
Vibration motor No
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking Yes
Sleep Yes
Heart rate No
HRV No
Stress No
Blood oxygen No
Respiration rate No
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
Daily smart features
Smartphone compatibility Originally synced through Fitbit software/web dashboard
Operating system FitbitOS
Bluetooth No
Wi-Fi No
NFC / connected pay No
UWB No
Cellular No
Smartphone notifications No
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
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These technical specs are correct to the best of our knowledge at the time of publishing.
