Dura-Stick Premium Electrodes 1.5 x 3.5 Rectangle Cs/40 Whrlpool Disinfect-Antiseptic Designed to help you listen

Designed to help you listen for hard-to-hear sounds including aortic stenosis S3 gallop murmurs and faint pulmonary anomalies

It only gives you the most reliable reading as to whether or not you have a higher blood pressure or lower blood pressure than the normal one

lluvia™ receives sound and digitizes it (breaks the sound waves up into very small

Resolution: ±1% or ±1°

And don't buy from anyone who tells you their's are

Dura-Stick Premium Electrodes 1.5 x 3.5 Rectangle Cs/40 Whrlpool Disinfect-Antiseptic Designed to help you listenSelf Adhesive * 10 packs of 4 each 40 case * Pure conductive silver layer * Stainless steel mesh and Blue Gel * Choice wire and molded connectors * Provides optimal current dispersion with low impedance