SH-RuiDu Practical Automatic Digital Wrist Blood Pressure Monitor Cuff BP Machine for Home Care Price: $19,99 (as of 24/10/2021 10:45 PST- Details) & FREE Shipping.

The blood pressure monitor can store up to 90 groups of memory.
Built-in import chip, repeatedly simulate the riva-rocci sphygmomanometer of korotkoff-sound method during measuring.
Smart inflating design, no long the traditional inflating to 200mmHg or more. It can predict the persons blood pressure and calculate the value that needs to be pressurized; the lower the blood pressure value, the lower value of pressurizing, which can offer protection to wristband and machine.