Long for 90 Hours work time. NOTE: The watch can only support 2G NETWORK and Micro SIM Card which is same as the iPhone 4S SIM card size.</br>SOS: Long press the SOS button for 3 seconds?? the watch will automatically send the current location to the SOS contact list and the watch will continually dial the SOS number list for times until the phone get through successfully. Note: this can work only with SIM card in.</br>Family Call: support 30 family phone numbers?? fast call any family member in a click. Social Function: kids who wear the same watch could get social connected and add "iends" by shaking close watches.</br>GPS Location Tracker. GPS/LBS/WiFi/Cell-ID precise tracking: double safety for kids. Achieve all day real-time location tracing?? check the position at anytime anywhere . Parents can track the location via IOS or Android APP.</br>Guard: parents can hear the environment around the watch to ensure the safety of your child. App Control??easily controlled via free App 'Kidsafe+ ' available both on AppStore and GooglePlay.</br></br>Product Description</br></br>Ameter G1 Plus is a smart mobile watch with GPS/LBS/WiFi/Cell-ID tracker treasured by Kids 4-12 and loved by parents. It's a wrist watch mobile phone equipped with GPS tracker and SOS function. <Br> With G1 Plus?? parents can always keep track of their kids' location on a Goo