It's a functional smartwatch based on android 4.4.4. Complete with a multitude of apps like calculator?? pedometer?? alarm clocks?? sleep monitor?? music player?? camera?? calendar?? push notification?? remote control?? NFC and different theme.</br>As a functional smart watch?? the device can connect to your phone via Bluetooth and can be used to answer calls?? respond to texts?? set alarms?? and tell time.</br>Heart rate (HR) is an excellent measure of exercise and your training intensity. In the human body heart rate is regulated to match the demands of the body and the environment. When exercise intensity increases?? heart rate also increases to match the increased rate of energy expenditure and oxygen uptake. With