General Info and Specifications
Sensors and Components
Fitbit Versa 4 contains the following sensors and motors:
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Multi-path optical heart rate tracker
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Red and infrared sensors for oxygen saturation (SpO2) monitoring
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Altimeter, which tracks altitude changes
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3-axis accelerometer, which tracks motion patterns
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Ambient light sensor
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NFC
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Built-in GPS re GLONASS, which tracks your location during a workout
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Vibration motor
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Speaker
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Microphone
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WiFi (deactivated, cannot be turned on)
Materials
The band that comes with Versa 4 is made of a flexible, durable elastomer material
similar to that used in many sports watches.
The housing and buckle on Versa 4 are made of aluminum. While aluminum can
contain traces of nickel, which can cause an allergic reaction in someone with nickel
sensitivity, the amount of nickel in all Fitbit products meets the European Union's
stringent Nickel Directive.
Wireless technology
Versa 4 contains a Bluetooth 5.0 radio transceiver and NFC chip.
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Summary of Contents for FB523
Page 1: ...User Manual Version 1 0...
Page 76: ...Taiwan RoHS 76...
Page 80: ...Band Pocket View Back View 80...
