This is 1st best watch I use. It can easily connect with my phone with the help of mi fit application and the watch is rechargeable and has long battery life. It is comfertable to wear and easy to recharge . it is alsohelpful to detect steps and kilometers and calories burnt and also show its battery percentage. We can also find it by mi fit app. It start vibrating when a call is recived. All these settings are done by mi fit app.