Fitness Tracker, Clearance,Heart Rate, Sleep & Running Cycling Tracking, Water Resistant, Black

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Connect with app: See your pace and distance on screen all over outside runs, rides, hikes and more and see a workout intensity map in the app that shows your heart rate changes along your route.
24/7 Heart rate, sleep and activity tracker: The precise optical heart rate monitoring means that you can as it should be track real-time steps taken, all-day heart rate monitoring, distance traveled, calories burned, and sleeping patterns.
Reminder helps you not miss anything：Enhance incoming call reminder, sedentary reminder, alarm reminder. It also has a DO NOT DISTURB mode which offers you a silent company.
Waterproof and bright adjustment: IP67 waterproof level. 4 levels of brightness adjustment. 2 dial switch. Raise your hand to bright screen
Long battery life: Multi-day battery lasts as much as 7 days and as much as 5 hours when the use of built-in GPS. Detachable watch USB direct charging, no wish to bring a charging cable.