Fitbit Charge 5
Quick details
Released
August 2021
Dimensions
36.78 mm x 22.79 mm x 11.2 mm (H x W x D)
Operating system
FitbitOS
Display 1.04 inch AMOLED
Battery life Up to 7 days; up to 5 hours with GPS
Water resistance 5 ATM
GPS Yes
Sensors 3-axis accelerometer, Optical heart rate monitor, Pulse Ox, Multipurpose electrical sensors compatible with ECG app & EDA Scan app, GPS, Vibration motor, Ambient light sensor, NFC chip for Fitbit Pay
Technical specifications
General
Release date 2021-09-28
Product type Fitness tracker
Physical size 36.78 mm x 22.79 mm x 11.2 mm (H x W x D)
Weight 28 g (without strap)
Material Built of more lightweight material including an aerospace grade aluminum case and Corning Gorilla Glass 3 display. The housing and buckle are made of anodized aluminum
Water resistance 5 ATM
Color options Black / Graphite Stainless Steel, Lunar White / Soft Gold Stainless Steel, Steel Blue / Platinum Stainless Steel
Display type AMOLED touchscreen
Display size 1.04 inches
Display resolution 260 x 170 pixels
Display brightness Up to 450 nits
Display protection Corning Gorilla Glass 3
Battery Rechargeable lithium-polymer battery; 65 mAh
Battery life Up to 7 days; up to 5 hours with GPS
Charging USB charging cable
Charging time About 2 hours
Sensors
GNSS type Built-in GNSS + connected GPS
GPS Yes
GALILEO No
GLONASS Yes
QZSS No
Beidou No
Accelerometer Yes
Gyroscope No
Barometric altimeter No
Compass No
Geomagnetic No
Ambient light sensor Yes
Optical heart rate Yes
Electrical heart rate Yes
SpO2 Yes
Temperature Yes
Galvanic skin response Yes
Microphone No
Speakers No
Vibration motor Yes
Health & activity tracking
Steps Yes
Distance Yes
Calories burned Yes
Floors No
Sports tracking Yes
Sleep Yes
Heart rate Yes (High/low heart rate notifications and ECG app)
HRV Yes
Stress Yes
Blood oxygen Yes
Respiration rate Yes
Skin temperature Yes
ECG Yes
Blood pressure No
Body composition No
Glucose No
Hydration level No
UV exposure No
Calorie intake No
Daily Readiness Yes
Cardio Load Yes
Target Load Yes
Hyperglycemia risk assessment No
Arterial stiffness detection No
Pulse wave arrhythmia analysis Yes
Daily smart features
Smartphone compatibility Android 11+; iOS 16.4+
Operating system at launch FitbitOS
Processor Ambiq ARM Cortex-M4 MCU with Bluetooth 5.0
Data retention 7 days detailed data; 30 days daily totals
Bluetooth Yes
Wi-Fi No
NFC / connected pay Yes
UWB No
Cellular No
Smartphone notifications Yes
Bluetooth calling No
Smartphone music control No
On-board music storage No
Voice assistant No
Links
These technical specs are correct to the best of our knowledge at the time of publishing.
