K39 4G 1.83-inch Screen Kids Smart Watch Video Calling SOS GPS Positioning Student Camera Watch - BlackandYellow 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: ABSandPC 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: 240x284 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 (IOSandAndroid): Two-way call and 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 baby's 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 baby¡¯s historical track within 1 month Historical track playback function: tracks can be played automatically WIFI positioning and GPS positioning and 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 Package included: 1 x Smart Watch 1 x Charging Cable 1 x English User Manual