Fitbit Ace 3 User Manual General Info and Specifications
Sensors and Components
Fitbit Ace 3 contains the following sensors and motors:
- 3-axis accelerometer, which tracks motion patterns 
- Vibration motor 
Materials
The Ace 3 classic band is made of a flexible, durable elastomer material similar to that used in many sports watches. The housing and buckle on Ace 3 are plastic.
The Ace 3 classic band is made of a flexible, silicone similar to that used in many sports watches. The housing and buckle on Ace 3 are plastic.
Wireless technology
Ace 3 contains a Bluetooth 4.2 radio transceiver.
Haptic feedback
Ace 3 contains a vibration motor for alarms, goals, notifications, reminders, and apps.
Battery
Ace 3 contains a rechargeable lithium-polymer battery.
Memory
Ace 3 stores your data, including daily stats, sleep information, and activity history, for 7 days. See your historical data in the Fitbit app.
Display
Ace 3 has a PMOLED display.
Band size
| One-size band | Fits a wrist between 4.8 and 6.8 inches (121 mm -172 mm) in circumference | 
Environmental conditions
| Operating temperature | 14° to 113° F (-10° to 45° C) | 
| Non-operating temperature | -4° to 14° F (-20° to -10° C) 113° to 140°F (45° to 60° C) | 
| Charging temperature | 32° to 109° F (0° to 43° C) | 
| Water resistance | Water resistant up to 50 meters | 
| Maximum operating altitude | 28,000 feet (8,534 m) | 
Learn more
To learn more about your tracker, visit help.fitbit.com.
Return policy and warranty
Find warranty information and the fitbit.com return policy on fitbit.com/legal/returns-and-warranty.
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