Features: 1. Functions: clear call, precise positioning, long battery life, ultra-thin body, cool wear . 2. 14.1mm ultra-thin process design, as slim as homework. The COR of the whole machine is gorgeous and rich in texture, always let other children envy. Clear and stable call, the sound is louder and can be heard in noisy environment. Unique antenna design, multiple calibrations to ensure a stable call 4. voice chat, making communication more convenient simpler operation and clearer voice easy group chat, support group chat with multiple mobile phones5. Accurate positioning, real-time display accurately record every corner of the child, fully meet the positioning needs of life and emergency situations 6. Electronic fence, always protect the safety of children. Activity range, when the child leaves the set zone, the parent's mobile phone will receive an alarm prompt. prevent loss, avoid access to dangerous areas, prevent loss 7.high-performance battery , longer standby time with high-polymerization custom battery, features faster charging, higher performance, longer than the same power, eliminating the hassle of charging every day.8.Fun game: let the children get happiness from the game and grow in happiness. specification: chip: pda8955 battery capacity: 400mah charging time: 2h screen resolution: 128 x 128 screen TAMANHO: 1.44 COR: princess powder, knight azul radiation: lower than mobile phones, international standards, no impact on The human body applicable age: 3-12 years old positioning method: precise positioning and positioning of the base station specifications: intelligently designed for children to have more fun and parents can monitor their children without prior notice.base station positioning lbs, beidou positioning (without gps positioning) package includes: 1 smart watch, 1 usb cable, 1 user manual