LEMFO 2019 Smart Watch Waterproof HR & Blood Pressure Monitor Sport Watch

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Android system 4.4 version or above ;iOS system 8.0 version or above ;Support bluetooth with 4.0 version; Battery :250 mAh; Stand-by time:About 25 days. Working time:About 7 days; Waterproof level: IP67 waterproof and dustproof ( you can wear it to rain, wash hands, but don’t put it into hot water and not fit for swimming); Watch language: Chinese, English