I8 PRO MAX smart watch for android, os phone has many features like,weather information,music playback/control,camera control,alarm clock,stopwatch,breathing training,game.It can support most android and OS phones Heart Rate Monitor - Measure your blood oxygen levels and heart rate on the go with an optical heart rate sensor. Get data of up to 6 days on your watch and manage your workouts and health effectively also Intelligent AI Sleep Monitor - Get your sleep data, X6 comes with in-depth sleep monitoring, showing deep and shallow sleep analysis to manage your health seamlessly Smart phone watch is equipped with a high-quality speaker, through Bluetooth connection, can directly use the watch to answer make calls/play music/read messages/store contacts/view call history. The android os smartwatch men women can also set ringtone/vibration/ringtone+vibration.you will never miss any calls & message during meetings or workout. Music: Support, Hand-writing: Support, Picture Format: JPEG, GIF, BMP, PNG, Music Format: MP3, WAV, IM Message Notified This fitness tracker watch with heart rate blood pressure and SpO2 monitor will record your all day activities like steps, calories burned and distance traveled, sleep data, it also has the features of sedentary & drinking water reminder, supports multiple sports modes and tracks all your workout distances and physical conditions during exercise. With this fitness watch for men women, you can have a healthier, more active life.