Model Number: D8-NEW Brand Name: OEM BRAND Key Specifications/Special Features: Key Specifications/Special Features:1. Two-way communication function, with mic & speaker2. Degree waterproof, suitable in daily life3. GPS+ LBS tracking position, more accurate4. Low-battery alarm message5. Remote smart monitoring6. Software remote upgrade7. Low power consumption8. Geo-fencing control, SOS9. Historical track userorientation childrenat3-12age\50-90agesenior OS MTK Language EnglishChinese Color Pinkgreenblue Dimension 53*40*15mm Chipset CPU MTK6261D CPUFrequency 850/900/1800/1900 LED Red,Green,Blue Screen No GPSchipset MTK3337/U-B7020 Battery capacity 450mah built-in speaker AAC1609speaker mic built-inHi-FiMIC network GSM/GPRSsupport GPSantenna built-inhighsensitiveactiveantenna Location Beidounavigation,GPS,AGPS,LBS,WIFI GPRS Class12 GPSSignal L1,1575.42MHzC/Acode GPSchannel 20channels GPSsensitivity Tracking: -165dBm，capturing: -148dBm GPSaccuracy 5-15miles baselocationaccuracy 100-1000M averagestandbycurrent lessthan2mA averageworkingcurrent about50mA waterproof IP67 humidity 5%to95% temperature -20～70℃ AGPSquicklocationtime 26seconds GSMantenna FPCbuilt-in USB MicroUSB SIMcard MONAcard buttons poweron/off, SOS, OK Call anti-disturbmode,forcedthroughfamiliaritynumberdoubletalk remotemonitoring support APPOS SupportAndroid2.3aboveanfIOS5.0above APPlanguage multilanguage SOS SOScall、3numberscyclecalling trackingcheck availablefor3monthsrecord clock yes familiaritynumber yes anti-linefrozen yes smartelectronicfence autoalarmwhenbeyondtherange Bluetooth BT3.0/4.0 CallFirewall YES 3Daccelerationsensor yes,pedometerandsleeping remotesetting yes lowbatteryconsumption yes lithiumbatterychargingprotection supportAndroid2.3aboveandIOS5.0above