Fitness Watches for Men Women-monitors your heart rate all day. GanenSprint smart bracelet support GPS positioning function(need to pair with phone, sync the data in the phone).GanenSprint Fitness Tracker smartwatch is suitable for Android 5.0 and above, iOS 9.0 and above, not for PC or tablet. GanenSprint men's smartwatch standby time can Reach up to 7-10days.Call & message notifications: Receive and read SMS messages and SNS notifications straight to your device. GanenSprint Smart Tracker can monitor your steps, calories burned, sports mileage, and sleep quality status 24 hours a day whilst syncing.