1.Phone function?? Make phone call directly from the smart watch??including answering and dial-up.SIM slot??support make calls by Bluetooth or smart watch</br>2.Waterproof resistent.This is a new Bluetooth Smart Watch which is compatible with Bluetooth 3.0 or above ??support Android 2.3 or above??and the IOS 7.0 or above</br>3.For iPhone??it only supports partial functions including Pedometer?? Calendar?? Call Sync?? Calculator?? Clock?? Stopwatch?? Music player??Handsfree??ect.</br>4.1.54"uch Screen</br>5.FITNESS WATCH -Various health tracking app designed to monitoring the situation of your sleeping??walking(Sedentary??pedometer)</br></br>Product Description</br></br></b>Note:<b> Please open the rear cover and put the battery into the base according to the arrow of direction mark.<br> </b>Important Features<b> <br>Micro SIM card (Frequency GSM/GPRS 850/900/1800/1900) (not included)?? max 32GB SD card (not included)??language