HAVIT M91 Professional Sports Smart Watch, 18 Sports Modes, Built-in Compass, Blood Oxygen Smart Detection

Swimming Smart Watch

Supports indoor and outdoor swimming modes,with a built-in 9-axis gravity sensor,it can accurately calculate the swimming distance,stroke style,stroke times,and SWOLF.

18 Sports Modes

18sport modes built-in running, pool swimming,outdoor swimming,aerobics ,dancing ,yoga and a total of 18 sports modes,you can also be an athlete.

Automatically Adjust Brightness

The brightness of the watch will be automatically adjusted to the lowest level after 10 o'clock in the evening to protect your eyes.

9-AXIS Gravity Sensor

A more powerful 9-axis gravity sensor,in addition to the functions of counting steps and calories,it also gives the watch the function of a compass,and can measure more professional parameters such as your swinning style.

New Blood Oxygen Red Light Sendor

The absorption rate of red light by hemoglobin will be higher. The Blood oxygen data calculated by the watch is more accurate by the difference between the red light emitted and the reflected red light.

Precise Red Light Blood Oxygen

Blood oxygen saturation is one of the characteristics of human health.when you work mentally for a long time or exercise with high intensity,you can measure the current blood oxygen value and control your health in your own hands.