Description
Device size: 35.8mm x 22.7mm x 12.5mm
Fits Writs Up To 247mm
Weight: 24g
Screen: 18.3mm across with 128-by-72 pixels
Battery: lithium-polymer, up to 6+ days
Charge time: Two hours to a full charge
Storage: 4GB (2.5GB for music storage)
Saves data up to thirty days
Measures heart rate at 1-second intervals
Measures exercise metrics at 5-second intervals
Operating system: Fitbit OS
Connectivity: Wi-Fi, Bluetooth LE
Synchronization Range: Up to 9 meters away
Compatibility: Android 7.0+, iOS 12.2+
Touchscreen enabled
Waterproof up to 50m
Sensors: Optical heart rate monitor, GPS, NFC, and altimeter
Maximum altitude: 8.5 kilometres
Material: Plastic resin case and band with stainless steel buckle
Here is a more detailed description so you can understand exactly how this watch is built and what these specifications mean for you.