Adapt to multi-frequency 4G networks to improve the stability of video and voice calling The watch only accepts calls from white list numbers and automatically blocks unknown or spam calls, creating a safe use experience for children Real time voice message chat enables private chats and family group communication for real-time connection with children, fostering closer parent-child relationships Empowered by a high-capacity battery and intelligent power-saving algorithms, our device ensures extended usage for up to one week High-precision positioning, providing parents with safeguard for kids With SOS call function, parents can set 3 emergency contacts Specification Material ABSPC Lens Glass semi-transparent coated mirror lens Strap liquid soft silicone strap Waterproof IP67 Maximum charging voltage 5.0V Battery capacity 800mAh Standby time 6-7 days Call time 5-6 hours Battery voltage 3.8V Material polymer battery Display type IPS Display size 1.83 Pixel 240284 Capacitive touch screen CTP capacitive touch screen CPU ASR3603S WiFi built-in chip GPS support Ringtone yes Hands-free Yes Speaker yes high-quality speaker Microphone yes anti-interference receiver Buttons 2 Headphone jack NO Charging interface Magnetic charging interface SIM card slot 1 Camera yes 8W Video call Support APP video call Network communication GSM 900 1800 WCDMA B1 B2 B5 B8 FDD-LTE B1 B2 B3 B5 B7 B8 B20 Position GPS support WiFi yes AGPS Class12 LBS Yes Phone book YES, 15 family numbers are set according to the main binder, which can realize quick dialing and menu search to make calls. Micro chat function Voice two-way group micro chat function MMS NO EMS NO Email NO App function IOSAndroid Two-way call APP video call supports two-way call, and blocks other harassing calls, supports APP video call Micro chat Implement group micro chat function on APP and watch Baby settings You can set the babys avatar, birthday, nickname, etc. Message reminder can remind the status of entering and exiting the electronic fence, low or full battery status, and SOS alarm push Adding multiple babies Multiple baby watches can be added in one app Historical track query You can query the babys historical track within 1 month Historical track playback function tracks can be played automatically WIFI positioning GPS positioning base station assisted positioning WiFi positioning accuracy is 3-50 meters, GPS positioning accuracy can reach 3-10 meters, and LBS accuracy can reach 100-500 meters Battery power monitoring You can know the battery power of your baby watch at any time The network automatically adjusts the time for the watch After binding, the watch automatically synchronizes with the network time Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.