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ip67 waterproof design, suitable for daily life waterproof wash your hands, get in the rain, etc. without taking off your watch meet all daily waterproof needs. when using the watch for the first time,make sure that the watch is fully charged. the watch will automatically start after charging (please charge in the direction shown below). (note: after the charging is completed, pull out the charging cable from the charging head to avoid the magnetic charger from being attracted to metal products and causing the charging cable to be defective)