Connected GPS: Start a running, biking or walking session for post-workout information about your activity plus distance, pace and elevation when connected via Bluetooth with location settings enabled
Monitor heart rate: Heart rate monitor helps you optimize your training by tracking your heart rate both day and night
24/7 tracking: Automatically recognizes and tracks up to 30 different activities including walking, running, swimming, boxing, skiing, and yoga
Smart Wake-Up: Sleep cycle analysis of both light and deep sleep also includes Smart Wake-Up which helps to wake you at the best point in your sleep cycle
Smartphone notifications: Smartphone alerts show notifications for texts, calls, and events on the watch screen
Long battery life: Battery life of up to 25 days on a single 2 hour charge, plus 20 more days on power reserve mode, (time and activity tracking only)
On time and in the know: Analog watch face shows you the time in a clear resolution (72 x 36) while the OLED display shows you text-based notifications
Water-friendly: Water-resistant to 50m with automatic swim recognition, so you don't have to worry when you shower, go snorkeling, or get caught in the rain
Save power: Bluetooth low energy won't sap the power from your device while still ensuring connectivity
Alexa, ask Withings: Ask Alexa about your activity stats when you enable the free Alexa Skill.
Automatic synchronization: Data instantly appears in the free Health Mate app, where users can view trends, gain insights, and unlock rewards (iOS10+ and Android 6+)