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Description: Size: 235 * 24 * 11.6mm Bluetooth chip Nrf51822, 0.66 OLED display Host PC material, wristband TPU material Single touch operation 7 days data saved Battery 80mAh, charging 2H, working 7 days, standby more than 15 days Equipment requirements: Android 4.4, IOS8.0 and above systemsnbsp;nbsp;

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