2016 Best selling product smart watch sim card smart watch ios kids smart watch gps

  Product Description 2016  Best selling product smart watch sim card smart watch ios kids smart watch gps Specification: GPS/GPRS/GSM Personal tracker
unit size:80mm x 60mm x 22mm
1)two-way communication, Voice chat, words and expressions transmit; Hand-free call , bell call remand  
2)voice Talkback
3) Support GPS,WIFI,LBS three positioning mode
4)Monitoring and SOS feature.
5) Geofence alert
6) Build in 2G SD card  MP3
7) Built-in acceleration sensor , record children’s daily work steps
8)WIFI download          
9)Somatic answer  Automatic answer    10)Historical route                              11)  Alarm clock Settings      12)Motionless alert                                 13)Remote power off