The Dr. Care stethoscope is an acoustic medical device for auscultation, or listening to the internal sounds of an animal or human body. It typically has a small disc-shaped resonator that is placed against the chest, and two tubes connected to earpieces. It is often used to listen to lung and heart sounds. Reliable Performance for Heart, Lung and Blood Pressure Assessment. Tunable Diaphragm Responds With A Simple Pressure Change To Capture Low And High-Frequency Sounds. Anatomically Designed Headset Is Angled To Channel Sound Into The Ear Canal. Soft Sealing ear tips with Metal Bush. Combination Chest Piece is Precisely Machined to Exacting Tolerances from Lightweight Aluminum. Highly Sensitive, Non-Chill Diaphragm for Greater Amplification and Crisper High Frequency Transmission Extra-Large, Non-Chill Bell For Low-Frequency Response.