Features and functions: 1. SOS button for help: In case of emergency, the child can send help message to the Guardian for calls. 2.position: GPS By Satellite + base station positioning monitor to perform all-day real-time tracking position. 3. smart power economy: GPS mode to save energy. 4. remote monitoring: build-in high-sensitivity microphone, guardian can hear the sounds around your children by taking action on the Application on your phone. 5. two-way talk: users can communicate with each other, The number can connect four adults. When in an emergency, press the SOS Button, it will dial the preset number on the wheel, and stop connecting. 6. electronic close: adult can set safe activity province for your child, once out of range, the Q90 will inform the child by alarm, and by their binded phone. 7. trace history: can trace its position within history recently 3 months 8.GSM four frequency system: 850/900/1800/1900 Mhz 9. Date / time display: adjusting yourself by GPS Model Y21 GSM network 850/900/1800/1900 MHz GPS tracking support LBS tracking support 1.44 inch display of AGE Touch screen support Led flashlight support Language APP Chinese, English, Portuguese, Spanish, German, Thai, Turkish, Vietnamese, Russian, French, Indonesian, Malay, Dutch, Danish, Polish Blue color / Pink Micro USB 5pin Interface 385 mAh battery Lithium-ion battery Standby time 30-96 H Plastic Watchcase PU watch strap Pedometer support Support sleep monitor Tracking support SOS emergency call support Support voice Electronic fence support History of the support route Two-way communication Anti-fall support Remote shutdown support Low-voltage recall support Network standard: GSM card (GSM), GSM. GPS: MTK 2503 UBX7020 GPRS: Class 12.TCP IP Build in GSm MODULE GPS sensitivity: -159dbm GPS accuracy: 10M (2D RM) GSM accuracy: 20-200 M Speed Accuracy: 0.1M Second Place Dimensions: 45.0 (L) * 32.0 (W) * 13.0 (H) mm Net weight: 35.1g & gt; Gross weight: 128g Package Contents: 1 x Smart Wristband 1 x Charging Cable 1 x User Manual 1 x box
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