Functions: clear call/precise positioning/ long battery life/ultra-thin body/cool wear 14.1mm ultra-thin process design, just as thin as the homework The color of the whole machine is gorgeous and rich in texture, always let other children envy Two-way clear and stable call. The sound is louder and can be heard in noisy environments. Unique antenna design, multiple calibrations to ensure a stable call Voice chat, making communication more convenient. Simpler operation and clearer voice. Easy group chat, support group chat with multiple mobile phones Precise positioning, real-time viewing. Accurately record every corner of the child, fully meet the positioning needs of life and emergency situations Electronic fence, always guard the safety of children. Set the child's activity range, when the child leaves the set area, the parent mobile phone will receive an alarm prompt. Preventing loss, preventing access to dangerous areas, preventing getting lost High-performance battery, longer standby time. With high-polymerized custom battery, it features charging faster, higher performance, longer time than the same power, eliminating the trouble of charging every day Fun game: Let the children get happiness from the game and grow up in happiness IP67 waterproof and can be submerged into 1-meter of water for 30 minutes Specification: Chip: PDA8955 Touch or not: yes Strap material: comfortable silicone strap Chip: RDA8955 Battery capacity: 400mAh Charging time: 2h Display resolution: 128*128 Display size: 1.44 Camera: 8W Standby time: 70h RAM: 32Mb ROM: 32Mb APP support: Android/iOS Network: 2G Radiation: lower than mobile phones, international standards, no impact on the human body Applicable age: 3-12 years old Positioning method: precise positioning + base station positioning Notice: If there is no 2G network in this area, the 2G network can not be used.