Buyerstop Phone function: make phonecall directly from the smartwatch, including answering and dial-up.sim slot, single sim card (micro sim card) can be like a phone, support make calls by Bluetooth or smartwatch entertainment: mp3/mp4, camera. • Buyerstop SMS synchronization: SMS synchronization, as long as you install the APK software in Andrews smartphone, when the text messages will be reminded in the watch, there are other applications remote reminder, such as QQ / WeChat, e-mail notification to remind. • Buyerstop Sleep Monitor, Sedentary alarm, Alarm clock, Stopwatch, Calculator, Photograph, Dial, Calling Remind, Clock, SMS , Notification Bluetooth Sync, Time Sync, Music Player Easy to use. • Buyerstop Rechargeable fashion accessory: Just plug into the built-in single USB port on the edge of the dialect for recharging purpose for you to stay worry free for long usage hours. • Buyerstop Sync function: qq,wechat,twitter,facebook,time,schedule,read message,sport health: pedometer,sedentary remind,sleep monitoring. phone function(GSM and 2G only): make phone call directly from the smart watch,including answering and dial-up.sim slot,support make calls by bluetooth or smart watch.