Using steps 1.Please remain quiet for 5-10 minutes, and in a comfortable, relaxed position. Avoid eating, drinking, smoking, taking exercise and taking a bath before taking the medicine. 2.Remove watches or other ornaments from a measured wrist (usually left wrist). 3.Measure regularly every day. 4.Please rest for 3 to 5 minutes, then take the next measurement. Product description Blood pressure:record wtihin 3mmHg or below 2% error Pulse:record below 5% error Memory:Can store 60 groups of value and time Pressure increasing:Automatical Pressure decreasing:Automatical Measurement intervals:mmHG Operation temperature:-10----+40 Store temperature:-20---- +50 Longevity of battery:250 times Exhaust:Automatical
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