- Brand : DeRoyal

- Feature : High acoustic sensitivity / Turnable diaphragm， a 3m invention， for monitoring low and high frequencies / Traditional combination chestpiece with non chill rim / Compact and durable design

- Label : 3M Littmann

- Manufacturer : 3M Littmann

- MPN : C03429

- PartNumber : C03429

- ProductGroup : BISS

- ProductTypeName : PERSONAL_CARE_APPLIANCE

- Publisher : 3M Littmann

- Studio : 3M Littmann

- Title : 3M Littmann - 3M Littmann Classic II S.E. Stethoscope， Black Tube， 28 inch， 2201 -