Type:Gps Tracker Use:Hand Held Function:gps tracker jewelry GS 1900Mhz Application:IOS & Android & PC GPS Chip:MTK MT6261 Product Size:45*45*14.6mm GPS Accurate:5-15 Meters WIFI:15-100 Meters Applications:Kids Childrens Pets Elder OEM&ODM:Available SOS 2-way talk:Yes