3M Littmann 2161 Master Cardiology Stethoscope, Black Tube, 27 Inch
it is characterized by the best acoustic response in the Littmann mechanical stethoscope line; with a tunable diaphragm, dual-lumen tubing, and a precision, ergonomically designed, stainless steel chest piece. It comes complete with large and small soft-sealing ear tips, large firm eartips, special procedures adapter, and instructions.

Uses:
It is used by clinicians to hear different frequency sounds by simply adjusting the pressure on the chest piece.

Product Specifications and Features:

• It enables two sound paths in one tube and eliminates the rubbing noise of traditional double tubes

• It includes special procedures adaptor for pediatric or neonatal auscultation

• It provides longer stethoscope life due to improved resistance to skin oils and alcohol, and is less likely to pick up stains

• Next-generation tubing is not made with natural rubber latex, a benefit to sensitive medical professionals and their patients. And, to play its part in the protection of human health and the environment, the next-generation tubing does not contain phthalate plasticizers

Directions For Use:
Read the instructions in the manual.

Safety Information:

• Keep it away from the reach of the children