Operation Manual

25
Fitbit Alta HR General Info & Specifications
Sensors
Your Fitbit Alta HR contains the following sensors and motors:
•! A MEMS 3-axis accelerometer, which tracks your motion patterns
•! An optical heart rate tracker
Materials
The wristband that comes with Alta HR 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.
The frame on Alta HR is made of surgical-grade stainless steel. The buckle is made of
aluminum. 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
Alta HR contains a Bluetooth 4.0 radio transceiver.
Haptic feedback
Alta HR contains a vibration motor for alarms, goals, notifications, and reminders.
Battery
Alta HR contains a rechargeable lithium-polymer battery.
Memory
Refer to the following table for information on how long Alta HR stores your stats
and data in between the times you sync your tracker. Stored data consists of steps,
distance, calories burned, active minutes, heart rate, sleep, and stationary vs. active
hours.
We recommend syncing your tracker at least once a day.