Advantages: 1.Functions: clear call / precise positioning / long battery life / ultra-thin body / cool wear 2.1 4.1mm ultra-thin process design, just as thin as the homeworkThe color of the whole machine is gorgeous and rich in texture, always let other children envy. 3.Two-way clear and stable callThe sound is louder and can be heard in noisy environments.Unique antenna design, multiple calibrations to ensure a stable call 4.Voice chat, making communication more convenientSimpler operation and clearer voiceEasy group chat, support group chat with multiple mobile phones 5.Precise positioning, real-time viewingAccurately record every corner of the child, fully meet the positioning needs of life and emergency situations 6.Electronic fence, always guard the safety of childrenSet 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 7.High-performance battery, longer standby timeWith high-polymerized custombattery, it features charging faster, higher performance, longer timethan the same power, eliminating the trouble of charging every day. 8.Fun game: Let the children get happiness from the game and grow up in happiness.Specification:Chip: PDA8955Battery capacity: 400mAhCharging time: 2HDisplay resolution: 128*128Display size: 1.44Color: Princess Powder, Knight BlueRadiation: lower than mobile phones, international standards, no impact on the human bodyApplicable age: 3-12 years oldPositioning method: precise positioning + base station positioningSpecifications:Cleverly designed so that children have more fun and parents can monitor their children without notice.SOS Call,Remote monitoringVoice micro chatLow radiationEye protection color screenLBS base station positioning, Beidou positioning (no GPS positioning)Package Included:1*Smart Watch1*USB Cable1*User Manual