•Smartphone connected with App via Bluetooth 4.0, Stable, fast and super low consumption.- Pedometer: set your health goal and view your daily activities, check and analyze data anytime.- Simple and clear function menu, one button operation, easy to use.- LCD displays steps, distance and calories.- 3 groups of buzzer sound alarm, you won't miss anything.- Professional stopwatch supports subsection time and background waking.- IP67 ( or 5ATM ) standard dust and water resistant, withstands splashes or brief immersion in water.- 12 months standby time under saving mode, without the hassle of frequently charging.