the smart watch can provide heart rate monitoring, blood-oxygen saturation measurement, sleep monitoring, blood pressure monitoring and other functions to achieve total health management. bluetooth 5.0, you can directly dial the phone number and answer calls on your watch. you can get notifications of calls, sms and sns messages, whatsapp, text, facebook, etc. as a fitness tracker watch, this fitness watch supports 20 sports modes, allowing it to cover sports enthusiasts whether indoors or outdoors. equipped with 1.32"hd extra-large full touch color screen and 128mb large memory, compatible with android 6.0/ios 10.0. 300mah large battery with ultra-long battery life, reducing the hassle of having to recharge at any time..syi