Color:Pink NoteSIM card slot design in the back of watch, open the SIM RecommendWe recommend SpeedTalk SIM Card by T-mobile.SIM Card Not Included in Package

The watch didn't supported the Verizon, Sprint,AT&T.If watch sim already opened GPRS data, signal all show well and watch can received calls but APP show device'Off -Line" You may need set up APN for watch network, an question just contact freely! How to Setup1.Activated the sim via your phone（Pease scan the QR code behind in smart watch back cover）2.Insert the SIM card into watch.3.Created a account in App "SeTracker2"4.Send APN codes via your phone Message app to watch5.Test in App (Please consult us if you have any questions.)FQA:Q: Where can insert a SIM card?A: Please open the back cover of smart watch,then remove the battery, SIM card slot design in watch fuselage.Q: Why the watch cannot work after inserting the SIM card?A: Please ensure the SIM card is micro card and support 2G network GMS frequency band 850/900/1800/1900, and we suggest reboot the watch after inserting the SIM card or shutdown the watch first then insert to SIM card for normal boot.Q: Can watch play games?A: The watch has maths game that can exercise kids' Mathematical Quickly calculation method.Functions:☘Smart Watch Phone☘Sport Tracking☘One Key SOS for Help☘Remote Monitoring☘Built-in Camera☘Alarm Clock Reminder☘Flash Night Light Function☘Maths GamePackage1 x Kids Smart Watch1 x USB Cable1 x User Manual