- Built-in GPS + GLONASS
- Red and infrared sensors for oxygen saturation (SpO2) monitoring
- Gyroscope
- 3-axis accelerometer
- Altimeter
- Wi-Fi (802.11b/g/n 2.4GHz)
- Ambient light sensor
- Microphones
- Speaker
- NFC
- Vibration motor
- Optical heart rate sensor
- Device temperature sensor (skin temperature variation available in the Fitbit app)
- Water-resistant to 50 metres.
Battery & Power
Battery life up to 6+   days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary. Use of the always-on display and SpO2 features will require more frequent charging. We recommend charging every few days to ensure you’re always tracking.
- Battery type: Lithium-polymer
- Charge time: (10-80%): Approximately 40 minutes
- Fast charging: 1 day of battery life in 12 minutes
- Radio transceiver: Bluetooth®
Online prices, specifications, description and images generally match actual, but may vary and are subject to change without notice. Tech4u cannot be held liable for errors or omissions.
Please verify the specifications at the time of purchase. No claim whatsoever would be accepted in case of specification error/mismatch, once the product is sold.
