Comprehensive compatible with IOS and Android smart mobile phone</br>GPS/LBS??Handle the whearabouts of kids anytime and anywhere</br>SOS??one button for emergency call</br>Perfect combination of traditional watch outlook and GPS phone watch</br>Three family numbers setting??dialing by one button</br></br>Product Description</br></br><br> <b>Note:</b> <br>Watches and wirless charger has"ittle color difference <br> <b>Features:</b> 1.Product dimension: Dia 40*15.8mm <br>2.product weight:56G <br>3.5 buttons??one button for power on/off??SOS button??Three family number button <br>4.300 mAH Li-ion battery??standby 80 hours <br>5.Invisible phone watch??care more about safety problem <br>6.GPS??monitor??support SIM card Comprehensive compatible with IOS and Android smart phone <br>7.wireless charger <br>8.package inculding 1x smart watch??1x Simcard tooling??1x user manual??1x wireless charger statin??1x USB to micro charging cable <br>9.material:PC case & Import silicon rubber band <br>10.need to use the screw to open the back cover to put the micro SIM card and get the IEMI number. <br>11.Before the watch work together with mobilephone??need to enter IMEI number as ID numbe?? <br>(1)open the back cover of the watch??IMEI can be seen??you can see the picture in the attached??to show you where is the IMEI number; <br>(2).send message " phone number??IMEI number will be sent to Mobilephone. <br>12.The kids watch support 2G network GSM 8