Children Smartwatch, GPS Tracker, SOS, Safety Location, Emergency Call, Two Way Talk GCS-01 Speciality ------ remote monitor kids and keep kids in safety places. When it's emergency, you can get noticed in time. Keep your eyes close with you children, you can set a safety fense for your children, when your children is outside the safety fense, you will get notice immediately. You can set 13 phone numbers in all. Functions ------ two way call, GPS tracker and location, SOS emergency call, remote monitoring, voice message, safety electric fence, healthy pedometer, historical trace, sleeping monitor, alarm, remote shutdown, message note, no disturbing mode Supported System ------ iOS/Alibaba OS/Baidu OS (Pls kindly note it's Chinese System, pls do inquiry us in advance if there's any questions with Chinese System, we have instruction videos) Material ------ plastic + leather ( environmental silicon gel material is harmless, 2G network transmission is with much lower radiation than mobile phone) Color ------ blue, pink, orange