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General Info and Specifications
Sensors
Fitbit Versa 2 contains the following sensors and motors:
l A MEMS 3-axis accelerometer, which tracks motion patterns
l An altimeter, which tracks altitude changes
l An optical heart-rate tracker
l An ambient light sensor
l A microphone
l A vibration motor
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 wristband 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 receiver, Wi-Fi chip, and NFCchip.
Haptic feedback
Versa 2 contains a vibration motor for alarms, goals, notifications, reminders, and
apps.
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