Main technical parametersSupported Frequency Bands: GSM850MHz/900MHz/1800MHz/1900MHzNetwork connection: GPRSRFID: 2.45GHz+13,56MHz (không bắt buộc)Dịch vụ vị trí: Hỗ trợ GPS, LBSGPS sensitivity: -159dbmGPS positioning: 10 metersLBS positioning accuracy: 2-100 metersAntenna: Built-inBattery specifications: 1150MAHVoltage: 3.7VStandby average current: < 10mAOperating temperature: -20°C~+60°CĐộ ẩm: 20%~80%RHTheoretical talk time: 150minTheoretical standby time: 128hVoice Dialing: Not supportedHands-free calling: YesWristband Color: Blue/Red/Yellow-Green/Brown-OrangeWeight: 80gMemory: Vâng (không bắt buộc)Đẩy giọng nói: YesLow Battery Alarm: YesOne-touch dialing: YesTime Tips: YesAlarm Alert: …