Specifications:CPU: Nordic NRF51822Sensor: J2 KXT 1009Size of the display: 0.67 inch/1.7 cm OLED screenHR sensor: PD70/01 °C/TR7Flash Memory 32 KB + 256 KBBand Material: Thermoplastic polyurethane (tpu)Transmission via Bluetooth 4.0.Battery: Lithium polymer battery with 70 mAhStandby time: 5 - 8 daysBattery power: 70 mAhCharging time: about 1 hour.Charging current: 300 - 2000 mAh (500 mAh are perfect)Charging port: Built-in USB portWeight: 19.5 gProduct Dimensions: 230 x 18.8 x 10.8 mm- - Waterproof: Yes Instructions:1 A voltage of 500 mAh is recommended for charged whilst on the fitness trackers.2. make sure that the cover of the heart rate sensor removed before use.3) the USB connection of the bracelet may contain water marks. Please remove it before charging.4. if the bracelet for measuring data (e.g. heart rate) want to use, please note that the for measuring the required time will depend on how much data from the different conditions can vary.5. if you molding the watch for the first time use, the bracelet the data, so at this moment measured data can be wrong. Please wear the bracelet approximately 24 48 hours long, so that the measurements precise. With every day data to be more precise.6 to ensure the accuracy of the data according to the inflation measurement of blood pressure, you will need to measure your relax and must not be talk to keep your blood pressure.Please note: This function is only for the Arterielle blood pressure measurements from one place to another before and after sports and not for medical use. Ideal for stroke and hip patients with high blood pressure it is not for you. Box Contents:1 x Horizontal fitness tracker1 x 1 horizontal guide (possibly not may not be in English)
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