HOAIYO Smartwatch for Android iOS for Men Women, 1.28" Full Touch Screen, 3 ATM Waterproof, Fitness Wristband with Heart Rate, Sleep Monitor, SpO2, Music Control, Sports Watch… (Black, 1.28")

Feature :

• 【Heart Rate/Blood Oxygen Saturation/Sleep Monitor】Smart watch for men and women can monitor your heart rate all days automatically, Blood Oxygen which body's most critical indicator of health. It included more practical functions. such as step counter, calories burned,stress monitoring, breath training, active time, distance data. Fitness watch monitor sleep and provides comprehensive analysis of your sleep