Fitness Smart Watch for Men & Women: Heart Rate, Sleep 。-【Multi-functional Smart Watch 】- Android smart watches,1.7 \"full touch screen, custom dial, brightness adjustment, watch dial call. More smart functions, such as step count, calorie, stopwatch, music/camera control, weather forecast, breathing exercises, alarm clock, SMS/SNS notifications, heart rate, sleep tracking, and more surprise features for your experience!(Please read the manual carefully before using these functions to understand how to connect to Bluetooth). -【Answer/Make Call & Message Smart Reminds】- Upgrade smart watch for iPhone android compatible, has built-in high-quality speakers, the watch can dial calls, play music. After a successful connection, the fitness tracker syncs with your phone, Vibration alert and you will not miss important calls and messages. (Note: only supports reading some APP messages, watch audio can be switched to the phone). -【Sleep & Heart Rate Monitor Watch】- Cell phone watch, adopts a sensitive motion sensor, real-time tracking of your heart rate, blood oxygen, and sleep, pays attention to your health at all times, records physical changes, and helps you better understand your health. (Note: The data of the watch is for reference only and cannot be used for medical purposes). -【 Activity Tracker Fitness Watch】- This step counter watch supports 7 types of fitness trackers, such as Walking, Running, Cycling, Skipping, Badminton, Basketball, and Football.