L8star Fitness Tracker, Smart Watch Heart Rate Activity Tracker with 1.3 inch IPS Color Screen Long Battery Smart Watch…

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Smart watch heart rate and sleep monitoring, it will measure your heart rate on every 1 or 2 or 6 or 12 hour automatically, clearly acknowledge your physical fitness status at whole day or week or month
Fitness tracker with 6 sport modes, steps: 1. Long press to choose which kind of sport, 2. long press again to enter sport mode, it will count 3, 2 ,1. , then you can start your excerise