Wonder World ™ Kids Tracker Wrist with GPS & GSM System with functions Children Safe(Blue Strap Free Size)

Interphone + voice message + Watch + Tracker + Emergency Alarm + Real-time monitoriingSupport GPS/GPRS/Bluetooth, Know your kid at any time and place throught your phoneDual-way call and Intercom , Make communication more smoothlyGPRS Real-time monitoring of child dynamics, with Emergency AlarmMultifunction for more conditions, Anti shedding alarm, Watch Dismantle Alarm and Low Power AlarmGPRS Real-time positioning, monitoring, trackingMobile App or computer GPRS service platform dual controlSOS Emergency AlarmElectric FenceSafe Zone SettingPedometerSleep MonitorBluetooth Prevent LostIntercom (voice conversation)Remote Power 0ffWatch Dismantle AlarmLow Power AlarmSpecification:Positioning: GPS/GPRS/Bluetooth positioningOLED Display ScreenBattery: 400mHA lithium polymer batteryStandby Time: 3 daysTalk Time: 3 hoursSIM Card: Support(Not Included)Wearing Wristband Size: 125-175mm(Adjustment)Compatible Devices: Up to Android 2.3 and IOS 6.0 devices