DTFit is a connected device companion app that enable sending and receiving of SMS or calls, connects to our smartwatches(device model: Watch 7,DT7MAX II) via Bluetooth,with the users permission, can push SMS and other app messages to the watch, then view them on the watch, and when an incoming call comes in, it can answer, reject, or reply to SMS on the watch. You can also make calls in the watch address book on the watch to facilitate the users daily life. DTFit can also detect and evaluate the users daily activity data, step count, sleep, heart rate, and many other functions. Help you monitor and adjust your daily activities and life.Special statement:non-medical use, only for general fitness/wellness purpose.