3Plus Smart Watch Built-in Fitness Tracker with Heart Rate and Blood Oxygen Monitor,Sleep Monitor Waterproof Smartwatch HD Color Touchscreen for Men Women Compatible with iPhone & Android

Product Features

• Sleep MonitorMonitor your REM when you wear it to sleep. It will tracks your rapid eye movement to provide better sleep data.
• Blood OxygenTrack your Blood Oxygen and Heart Rate through out the day for a better healthier exercise.
• Water ResistanceIP68 water resistance to use while doing various activities.
• NotificationsReceive and read text messages, social media notifications, calendar alerts, incoming and missed call alerts to never miss an important moment. (quick reply functions available for Androids)
• After-sales service Our smart watches provide one year after-sales service, our company headquarters is located in California, we have retailed in major supermarkets offline, if you have any problems you can always send us an email, we will contact you at the first time and solve any problems you encounter