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1 YEAR WARRANTY INCLUDED
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Key Specs
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ABOUT DEVICE ABOUT DEVICE
Device name Fitbit Charge 4
Device type Gender Release date March, 2020
Predecessor Fitbit Charge 3
Successor Fitbit Charge 5
Versions Fitbit Charge 4 (Special edition)
BODY BODY
Dimension 35.8 x 22.7 x 12.5 mm
Weight 27 grams
Shape Rectangular
Case material Plastic Resin
Strap material Elastomer
Bezel material Plastic Resin
Strap size 140 – 180mm (small), 180 -220mm (big)
Screen protection Water resistance Durability test —
Swim-proof Yes, recommended
Color Black, Rosewood, Storm blue
DISPLAY DISPLAY
Display size 1.57 inches
Display type Monochromic, OLED
Display resolution —
Pixel density —
Always on No
Custom watch face Yes
Input type 1 Physical button, Touchscreen
CONNECTIVITY CONNECTIVITY
Bluetooth Bluetooth v4.0
Bluetooth calling No
GPS Yes
NFC Yes
Wi-Fi No
MEMORY MEMORY
RAM —
ROM —
Memory card slot CELLULAR CONNECTIVITY CELLULAR CONNECTIVITY
Technology None
SIM type Band —
NOTIFICATIONS NOTIFICATIONS
SMS alert Yes
Calls alert Yes
Email alert Yes
Event reminder Yes
Third-party apps alert Yes
MEDIA MEDIA
Audio Bluetooth music Loudspeaker Microphone Camera No
Radio No
SENSORS SENSORS
Accelerometer Altimeter Yes
Ambient light No
Barometer Compass No
ECG Gyroscope —
HRM Yes
Pulse oximeter (SpO2) Yes
Temperature No
Sensor(s) Vibration motor
ACTIVITY TRACKING ACTIVITY TRACKING
Blood oxygen Blood Pressure Calories Yes
Distance Yes
ECG tracking Heart rate monitoring Yes
Sleep tracking Yes
Steps Yes
Stress Yes
Fall detection Menstrual cycle Floors climbed VO2 Max Yes
Swim-tracking Yes
Underwater heart rate tracking No
On-screen workout No
Sport modes 20
BATTERY BATTERY
Battery type non-removable Lithium-polymer
Battery capacity —
Battery life Regular: 7 days+, Standby:10 days+
Charging type Charging dock
Charging time 2hrs
Solar charging No
PLATFORM PLATFORM
Chipset —
CPU —
GPU —
Operating system Fitbit OS
MISC MISC
Companion app Fitbit App
Compatibility Android, iOS
Payment system Fitbit Pay
Interchangeable strap Voice command Find my phone Yes
Box content Charger, Fitbit Charge 4, Manual, Straps