Professional Yobuuno upper arm blood pressure monitor has passed all relevant clinical and chip certifications. The blood pressure monitor delivers blood pressure and pulse rate tests within 30 seconds. The readings are clearly displayed on the large digital LCD screen, providing you with extremely accurate systolic, diastolic, and heart rate measurements.One-button operation and voice transmission: Yobuuno upper arm blood pressure monitor is very easy to use. It features one-button operation and then tells you the readings after measurements. Suitable for the elderly and people with visual impairments. The voice function can be turned off when not needed.Large LED display: Yobuuno upper arm blood pressure monitor uses clear, large fonts, a high-resolution, and eye-friendly backlit screen provides more convenience and helps you better monitor your health. .2 User Modes & 199 Memory: Yobuuno upper arm blood pressure cuff supports storing data from 2 users and up to 199 sets of memory for each person. You can track your fitness over a period of time and compare trends. The 2-person memory function is a pretty good option for home use.