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General Info and Specifications
Sensors andComponents
Fitbit Versa 2 contains the following sensors and motors:
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Optical heart-rate tracker
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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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Vibration motor
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Microphone
Materials
The housing and buckle on Versa 2 are made of anodized aluminum. While
anodized 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.
The Versa 2 classic band is made of a premium, comfortable silicone similar to that
used in many sport watches.
Wireless technology
Versa 2 contains a Bluetooth 4.0 radio transceiver, Wi-Fi chip, and NFCchip.
Haptic feedback
Versa 2 contains a vibration motor for alarms, goals, notifications, reminders, and
apps.
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