Feature:1. Two Way Voice Call: This children's watch supports voice call, parents and children can call each other to understand the situation of their children. Support voice chat, make communication more convenient operation easier, clearer voice easy group chat, support multi phone group chat. Long press the SOS button, the emergency contact number will be automatically dialed so that the child can notify the parents in time when they are in danger.2. LBS Real Time Positioning: Support LBS base station positioning, whether the child is indoors or outdoors, parents can get the child's real time location from the app on their smartphones. Support record history track to view the child's location. Support electronic fence, out of range, alarm will alert. lbs location service is a positioning system using sim card signal. (Not GPS positioning)3. Selfie Cameras and Video Recorders: Clear cameras make taking pictures of kids more fun. Turn cute moments of kids playing into timeless photos or videos that can be viewed over and over again. This watch helps kids record their happy childhood.4. Touch Screen and IP67 Waterproof: The prime HD screen displays images clearly to protect children's eyesight and prevent nearsightedness, and the touch screen design makes it easier for children to operate the watch. The watches for boys and girls are IP67 waterproof, so kids can use them without worry when it rains or wash their hands, but they are not suitable for swimming.5. Classroom Mode: Do not disturb in classroom mode, parents can set classroom mode through the app during class time to let their children concentrate on their studies.6. Feature Rich: Two way call, LBS base station positioning, SOS, phonebook, voice message, flashlight, camera, photo album, math games, alarm clock, classroom mode, remote shutdown, security fence, low battery alarm. Children's smart watch is a perfect Christmas and birthday gift for children, boys and girls, and students.Specification:Item Type: Kids Smart WatchWeight: 92g / 3.25ozMaterial: Silicone, ABSCommunication Module: GSMSIM Card Specification: Standard Micro SIM card (not included)Display: 1.44in color touch screenResolution: 128x128Built In Battery: 400mAh lithium battery (included)Camera: 80000pixelsWaterproof Rating: IP67Memory: ROM 32MB, RAM 32MBAPP Support: For Android, for IOSCharging Time: 1.5 hoursStandby Time: 70 hours.Package List:1 x Smartwatch1 x Instruction Manual1 x Charging CableNote:Support 2G GSM network, insert Micro SIM card (not included), can use communication function.