Biometric Monitors

qiuqiu Sports Watch, Smart Watch, Fitness Tracker, Fitness Tracker Pedometer Watch, Sleep Monitor as Pedometer Fitness tracker with heart rate monitor: 24-hour continuous heart rate monitoring helps you better understand your heart rate details, such as peak exercise, aerobic exercise and fat burning Automatic sleep tracker: The fitness tracker will... qiuqiu Sports Watch, Smart Watch, Fitness Tracker, Fitness Tracker Pedometer Watch, Sleep Monitor as Pedometer