1~5PCS With 4G Sim Card Smart Watch For Child 4G Smartwatch WIFI Tracker Voice Chat Video Call Monitor Boys Kids Smart Description: Features 1.AccurateLocation WeuseLBSBaseStationlocationforaccurateposition. 2.SafeIncomingCalls AftersettingSOSFamilynumber,Contacts,TelephonenumbersintheAPP,kidscanonlyreceivecallsfromthesettingnumbers.NotfromSTRANGER! KidscanpressSOSorfamiliaritynumberbuttontocallyou! 3.WalkieTalkie Bythisfunction,youcanhavevoiceconversationbetweensmartwatchandapp.Sendvoicemessageoverapporwatchrecordingmessagesendtophone'sappallisavailable! 4. Reward Selectthenumberoftheheartsontheappandclickthedetermine,thentheinformationwillbesenttothewatch,youcanchecktherelateddatathroughtheAPP. 5.HistoryRoute queryintheyourchildren'shistoricalactivitiesbychoosingtheperiond. 7.Findthewatch Ifthewatchisnotnearby,sendthiscommand,thewatchwillstarttoringfor1minsothatyoucanfinditeasily,pressanybuttoncanstoptheringer. 8.MessageAlert a.Low-batteryremind b.SOSremind 9.RemoteShuttingDown YoucanremotecontrollethesmartwatchthroughAPP. 11.Quicklearning ThekidscanplaythesampleMathematicalgamebythewatch 12.Flashlight There'saLEDflashlightforyouwhenyouinneed. Specifications: Specifications: Frequency: GSM 850/900/1800/1900MHz Body Memory: 32MB+32MB Applicable System: For IOSAndroid Screen Size: 1.44" Waterproof Level: IP67 Waterproof Wireless Distance: unlimited distance Mode of Operation: Touch Screen + Button Tracker Model: LBS base station tracker Gsm Positioning Accuracy: 50-200mm Speed Accuracy: 0.1m/s