Fitbit SENSE 2 User Manual

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General Info and Specifications

Sensors andComponents

Fitbit Sense 2 contains the following sensors and motors:

Multi-path optical heart rate tracker

Electrical sensor to measure skin conductance (cEDA)for stress detection

Multipurpose electrical sensors compatible with the ECGapp and EDA Scan

app

Red and infrared sensors for oxygen saturation (SpO2) monitoring

Gyroscope

Altimeter, which tracks altitude changes

3-axis accelerometer, which tracks motion patterns

On-wrist skin temperature sensor

Ambient light sensor

NFC

Built-in GPSreceiver + GLONASS, which tracks your location during a workout

Vibration motor

Speaker

Microphone

WiFi (deactivated, cannot be turned on)

Materials

The band that comes with Sense 2 is made of a flexible, durable elastomer material

similar to that used in many sports watches.

The housing and buckle on Sense 2 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.

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Fitbit SENSE 2 Advanced Health And Fitness Smartwatch With Tools To Manage Stress And Sleep, Ecg App, Spo2, 24/7 Heart Rate And Gps, Lunar White/platinum, One Size