Abstract Background With the spread of COVID-19. telemedicine has played an important role. but tele-auscultation is still unavailable in most countries. This study introduces and tests a tele-auscultation system (Stemoscope) and compares the concordance of the Stemoscope with the traditional stethoscope in the evaluation of heart murmurs. https://unitedssports.shop/product-category/ball-field-equipment-pitch-machine/