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General Info and Specifications
Sensors
Fitbit FB412 & FB413 contains the following sensors and motors:
• A MEMS 3-axis accelerometer, which tracks motion patterns
Materials
The wristband that comes with FB412 & FB413 is made of a flexible, durable elastomer
material similar to that used in many sports watches. It does not contain latex.
Accessory wristbands are available in genuine leather and stainless steel.
The clasp and housing on FB412 & FB413 are made of surgical-grade stainless steel.
While all stainless steel contains traces of nickel and 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
FB412 & FB413 contains a Bluetooth 4.0 radio transceiver.
Haptic feedback
FB412 & FB413 contains a vibration motor for alarms, goals, notifications, and
reminders.
Battery
FB412 & FB413 contains a rechargeable lithium-polymer battery.
Memory
Refer to the following table for information on how long FB412 & FB413 stores stats
and data in between the times when it syncs. Stored data consists of steps, distance,
calories burned, active minutes, sleep, and stationary vs. active hours.
We recommend syncing FB412 & FB413 at least once a day.
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