Children Smart Watch Children Watch Children guards positioned intelligent two-way conversation watches watches

District ways to negotiate: QQ: 976720900 Mobile: 15986767676 S2 Function: S2 device family can dial the phone number - Press dial key to call the family set up the corresponding number on the S2 device is listening - to set a good family number may S2 equipment for remote monitoring SOS distress --- good family number to send location information will press the SOS button settings, and then recycled to make a call, the family number 1/2/3 pedometer - achieve pedometer, grasp the daily exercise short-range anti-lost alarm - when the device is set to leave the area, the family number will be sent in real-time GPS positioning alarm information to set the query - The device supports GPS and LBS (base station) dual positioning, GPS positioning accuracy can up to 5-10 meters, can be realized by WEB platform, APP clients and SMS query function, the exact position of the current real-time access device electronic fence warning reminder - set a region, when open the electronic fence function, when the device is set to leave given regional context, it will be promptly sent to the family number alarms historical trajectory queries - Users can WEB APP platform or mobile devices end who is to view the information at any time the alarm function Anti, S2 device through the track and place off alarm - at the hands of the watch will be sent down from the alarm message to the family number, suggesting that the watch has been removed Specifications: Chip: MT6260D / ublox 7020 Memory: 32M Flash Memory radio functions: RDA6625E Dimensions: 52 (L) * 31 (W) * 12 (thickness) mm Working temperature: -20 ℃ - + 70 ℃ Humidity: 20% -80% RH SIM card: Apple 4 small card GSM frequency bands: 900MHz / 1800MHz GPRS: Class12 Battery: Rechargeable 5V 3.7V 400mAh Standby average current: less than 10ma I / O interfaces: Micro 5Pin Speaker: 1511 Specification AAC MIC: high-performance silicon wheat sensor: 3D G-Sensor GPS positioning accuracy: 10m GSM positioning accuracy: 50-200m speed precision Degree: 0.1m / sec GPS Positioning time: cold start -38s (Open sky) Hot start -2s (Open sky) the specific time will be affected by the environment are different shell material: PS + ABS plastic injection molding, painting GSM antenna: PIFA GPS antenna Antenna: high-performance ceramic antenna