Color:Blue   Descriptions:Battery capacity: 450mAhScreen size: 1.44 inch touch screenLanguage: Chinese, EnglishWaterproof Level: IP67OS: MTKGSM master chip: MTK2503D, main frequency 260MHzGSM main band: support 850/900/1800/1900GPS chip: built-inBeidou chip: built-inGPRS: Class12BeiDou/GPS Signal: BD2,1561.098MHz/L1,1575.42MHz C/A codeGPS channel number: 22 channelsAGPS quick positioning time: Cold start 26 secondsBeidou/GPS Chip Receiver Sensitivity: Tracking: -165dBm, Capturing: -148dBmBeidou/GPS positioning accuracy: 5-15 metersLBS base station positioning accuracy: 100-1000 metersAverage standby current: <3mAAverage working current: about 55mAWorking temperature: -20 ~ 70 °CHumidity: 5%~95% no condensingCertification: CTA certification, 3C and CEGPS aerial: Built-in high-sensitivity ceramic aerialGSM aerial: Built-in aerialCamera: 0.3MP pixelsDisplay: 240*240 HD screenSpecifications:Material: plastic + siliconeColor: pink, blueItem Size: 51.6*39.8*15.8mmPackage included:1 x GPS Watch  
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