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PRODUCT SPECIFICATIONS CPU: Nordic nRF51822 Sensor: KXT J2-1009br> Screen size: 0.87 inch OLED creen HR Senor: PD70-01C-TR7 Memory: 32KB+256KB Strap material: TPU Transmission: Bluetooth 4.0 Battery: 70mAh Li-polymer battery Standby time: 5-8 days Battery capacity: 70mAh Charging time: About 1 hour Charging current: 300mA-2000mA (Optimal 500mA) Charging port: Built-in USB Product Weight: 19.5g Product Size: 230 x 18.8 x 10.8mm Waterproof: Yes(Life waterproof) NOTICES 1. We suggest that you use 500mAh current to charge wristband. 2. Please make sure heart rate sensor protector is removed before use. 3. The wristband USB connector may have water stains, please make sure to wipe it clean before charging. 4. When using wristband to measure your date(e.g. heart rate), please note that the time needed for measuring data may differ depending on different cases. TIPS When use wristband for the first time, wristband will start data modeling, so the data measured might be inaccurate at this time. Please keep wearing wristband for about 24-48 hours, so wristband can work more accurate. Please keep wearing it day by day to ge a more accurate data.
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