Hot Sale S2 Smart Wristband Watch Bluetooth Dynamic Heart Rate Monitor IP67 Waterproof Bracelet Fitness Step Counter For Android IOS Phone

* IP67 waterproof. S2 can be weared to swim. (depth not over 1m, time not over 30mins) * Sports and Health: sports tracking (Pedometer, distance,calorie) sleep tracking (sleeping time, sleeping quality) set fitness goals movement pattern (Bicycle-riding mode, Runningmode, Ropeskipping, Sit-ups, Jumping jacks). * GPS movement Trajectory, distance, Time, Pace, Calorie, Historical records, track sharing.