General Info and Specifications. Fitbit Zip Charge 3, Charge 3 Special Edition Smart Watch, Charge 3 Fitness Tracker, FB409RGGY-EU

General Info and Specifications

Sensors

Fitbit Charge 3 contains the following sensors and motors: l l l

A MEMS 3-axis accelerometer, which tracks motion patterns

An altimeter, which tracks altitude changes

An optical heart-rate tracker

Materials

The housing and buckle on Charge 3 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 Fitbit Charge 3 classic band is made of a flexible, durable elastomer material similar to that used in many sports watches.

Wireless technology

Charge 3 contains a Bluetooth 4.0 radio transceiver and Fitbit-Pay enabled trackers contain an NFC chip.

Haptic feedback

Charge 3 contains a vibration motor for alarms, goals, notifications, and reminders.

Battery

Charge 3 contains a rechargeable lithium-polymer battery.

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Memory

Charge 3 stores your data, including daily stats, sleep information, and exercise history, for 7 days. For best results, sync your tracker daily.

Display

Charge 3 has an OLED display.

Wristband size

Wristband sizes are shown below. Note that accessory wristbands sold separately may vary slightly.

Small wristband Fits a wrist between 5.5 - 7.1 inches (140 - 180 mm) in circumference

Large wristband Fits a wrist between 7.1 - 8.7 inches (180 - 220 mm) in circumference

Environmental conditions

Operating Temperature

Non-operating Temperature

Maximum Operating Altitude

14° to 113° F

(-10° to 45° C)

-4° to 14° F

(-20° to -10° C)

113° to 140°F

(45° to 60° C)

30,000 feet

(9,144 m)

Learn more

To learn more about your tracker and dashboard, visit help.fitbit.com

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Return policy and warranty

You can find warranty information and the fitbit.com return policy at fitbit.com/legal/returns-and-warranty .

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