K39 4G 1.83-inch Screen Kids Smart Watch Video Calling SOS GPS Positioning Student Camera Watch - Black+Yellow •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: ABS+PC •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: 240*284 •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 (IOS+Android): •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 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 + 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 Package included: •1 x Smart Watch •1 x Charging Cable •1 x English User Manual