All-day activity tracker and all-night sleep tracker, supporting vibrating clocks to wake you up
7*24H all-day heart rate monitor, measuring fatigue any time any where on your wrist.
Accurate Heart rate date, same as Polar professional heart rate belt
Built-in 17 professional sports modes – running, cycling, basketball, mountain, swimming, fast walk, climbing, badminton, table tennis, soccer, volleyball, sit-ups, rope-jump, yoga, dance, aerobics, ice-skating, tennis. Swimming mode can record SWOLF and laps
Smart track: automatic recognize 3 sports modes: running, ball game and cycling.