3M™ Littmann® is the preferred stethoscope brand amongst medical professionals. Each Littmann Stethoscope is built according to strict process and quality controls for tight consistency. That means any Littmann stethoscope you pick will provide a consistently high level of performance and acoustical superiority. MediPro is an authorised supplier of Littmann Stethoscopes. That means all warranties will be honoured and you can be sure that your stethoscope is a genuine Littmann.