Complete Fitbit Charge 4 SmartWatch Specs


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Basics
Main categoryFitness smart watch
Included Accessories
  • Classic wristbands (both small & large)
  • Charging cable
  • Woven reflective band (both small & large) for Special edition Charge 4
Available colors
  • Black
  • Rosewood
  • Storm blue/black
  • Special edition granite reflective woven

AlphaSpecs
Release year2020
Width (inches)0.9
Height (inches)1.4
Depth (inches)0.5
Width (mm)22.9
Height (mm)35.6
Depth (mm)12.7
Connectivity
CompatibilityMac OS X 12.2 and up, iPhone 5S and later, Android 7.0 and later
Bluetooth
Bluetooth TechnologyBluetooth LE
Bluetooth Profiles Supported
NFC
Sensors
  • 3-axis accelerometer
  • Optical heart rate monitor
  • Red and infrared sensors for oxygen saturation (SpO2) monitoring
  • Device temperature sensor (skin temperature variation available in the Fitbit app)
  • Vibration motor
  • Altimeter
Audio Video Remote Control (AVRCP)
Battery Specs
BatteryLithium-polymer
Battery charging time120 minutes
Display
Touch-Screen
Display TypeOLED
Physical Specs
FinishPlastic resin
Rugged50M water resistance
Other Specs & Features
Location servicesGPS + GLONASS
Included software
  • 24/7 Heart rate
  • Sleep monitor
  • Swim tracking
  • Oxygen saturation (SpO2) monitoring
  • Skin temperature variation
  • Breathing rate
  • All-day calorie burn
  • Menstrual health tracking
  • Stress management score
  • Spotify
  • Fitbit Pay
Display ShapeQuadrilateral
Silent or Vibrating alerts
Reminders (App notifications)
Wristband detailsOne size (Small & large bands included) with stainless steel buckle
Minimum operating temperature-4 °F
Maximum operating temperature140 °F
Maximum operating altitude (feet)28000

Description:

Also known as: Fitbit FB417BKBK.

General Fitbit Charge 4 Information
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