Characteristics:
 -Interpret the results
 --- Dual power sources Support 4 * AAA battery power supply and USB cable power supply, convenient for travel and home.
 You can take a measurement while connecting the attached USB cable. (4 * AAA batteries and AC adapter not included) ---
 
 Soft Voice Broadcast A pleasant female voice will announce your results and tell you whether the result is normal or not. It is useful for the visually impaired, can be turned off if you don't need it.
 --- Wide Range of Cuff Length Comfortable and extended 8.7-16.5 inch wide range blood pressure cuff, suitable for most people. Tips for Measurements  : 1. Relax for 5-10 minutes before measurement. 2. Sit comfortably and rest your wrist on the table. 3. Keep the center of the cuff and your heart at the same level 4. Stay still and silent during the measurement. 5. Do not measure after exercise or bathing. 6. Take measurements at the same time each day
 --- Voice setting Step 1: In standby mode, long press S button to enter setting mode. Step 2: Short press S button to skip user selection, year / month / date / hour / minute setting, and enter voice setting Step 3 : You will see the default "SP ON" on the screen, and short press the M button to turn off "SP OFF" to turn off the voice function. Step 4: Short press S button to confirm your setting
 . --- Package includes  : - Blood pressure monitor * 1 - Arm cuff * 1 - USB cable * 1 (4 * AAA batteries and AC adapter not included) - Storage bag * 1 - Manual * 1 Aa