An aneroid sphygmomanometer is a manual device used by medical professionals to measure blood pressure. Its function is to provide an accurate reading by using a hand-inflated bulb to apply pressure to an artery, a mechanical gauge to display the pressure, and a stethoscope to listen for the systolic and diastolic sounds. The main uses are in clinical settings where accuracy is crucial, but its portability and durability also make it suitable for home and travel use,