Is it time for you to move up to the stethoscope that most doctors use? Well the choice for many doctors is the Littmann Cardiology III. Do you need to monitor high and low frequencies? Do you want the best information about your patient�s heart beat? The 3M littmann cardiology iii stethoscope comes in a variety of colors and composed of stainless steel. Go now to our website and look over the videos and testimonials.