<b>To keep settings, please don't slide the power switch to "OFF", or all settings will be removed.</b><br><br> Features:<br><br> Storage Data---90 sets of measurement results memory for 2 users, which can display the average reading of the last 3 measurements, convenient for users to retrieve data comparison<br><br> Automatic Off---Automatic turn off after 1 minute no operation, easy and convenient to operate. You can also press the central button to shut it off.<br><br> Tips for Measurements:<br> 1. During the same time period, the measurement data of the left and right hands will be different. <br> 2. Readings of wrist bp monitor and upper arm's will not exactly the same.<br> 3.Please don't drink alcohol or coffee, eating, smoking, exercising and bathing in 30 minutes before taking a measurement.<br> 4.Please take a measurement at the same time each day so that the data can be compared in a valuable way.<br><br> What You Will Get:<br> - 1 x Blood Pressure Monitor<br> - 1 x Charging Cable(AC adapter not include)<br> - 1 x Storage Case<br> - 1 x User Manual<br><br> Frequent Q & A:<br><br> How to close the voice?<br> 1. In the sleep state, long press "S" button for about 3 seconds to enter setting mode<br> 2. Short press the "S" button to skip the month/ day/hours/minutes setting, after then, press "S" button again to enter voice setting<br> 3. Defaults voice is ON, please press "M" button to switch voice to "OFF", and press "S" button to confirm.<br><br>