3M™ 2175 Littmann® Master Cardiology™ 心臟科精密型聽診器 , 黑色耳管, 黃銅金聽頭, 27 inch

3M^TM 2175 Littmann® Master Cardiology^TM 心臟科精密型聽診器，黑色耳管，黃銅金聽頭，27吋

3M^TM Littmann® Master Cardiology^TM Stethoscope with a handcrafted stainless steel chestpiece, the single sided chestpiece allows you to hear either low or high frequency sounds by simply applying varing pressure - ligh pressure for high sounds or firm pressure for low sounds utilizing 3Ms own tunable technology.