China Best Selling GPS Kid Watches Mobile Phone Wristband (WT50-DI)

Functions Two-way talking as normal phone, or talking between watch & mobile APP via GPRS; Two modes to get lactation:GPS+ GSM base station; Operated by Mobile APP, GPRS service platform or by SMS; Real-time tracking & playback history trace; Monitor the voice secretly; Leave voice message or text message from APP to watch; The phone book and address book; Three working mode for power saving; Health monitor & evaluation; Watch alarm clock; Geo-fence alert to monitor in the safety area; SOS emergency alert & call for help; Watch take-off alert; Low power alarm; Remote power off.   Parameters  Size31.0 *52.0 *11.2 mmWeight40gGSM networks850/900/1800/1900Mhz, quad-bandGPRS classClass 12GPS chipsetMTK3337AGPSSupported, cold start time: 26 seconds  GPS Accuracy10 metersLBS Accuracy100-1000 metersBattery CapacityLi-Ion Rechargeable battery. 400mAHAverage working currentAbout 55mAWorking temperate-20 -- 70 Celsius degreeWorking temperate-20 -- 70 Celsius degreeWorking humidity5% -- 95% Maintenance. (1). Charge the battery: There is a USB cable in the package. User can use it to connect the watch to any computer's USB port or standard Android mobile phone charger to charge the battery. (2). Please keep the watch from humidity & high temperature. (3). Please keep in mind with device ID (10 digits). (4). If the battery does not work well after using for a long time, user can also screw out the back metal panel to replace it. It is special battery bought from the supplier. (5). Please make sure the SIM card inside the watch must have enough credit and activated with GPRS function and caller ID display function. /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1