Product Name: Stainless Steel Electronic Diagnostic Classic Dual Head Cardiology Medical Stethoscope Model NO.: Stethoscope Medical Devices Ad. Approval No.: Stethoscope Medical Devices Reg./Record No.: Stethoscope Medical Device Regulatory Type: Type 1 Group: All Aged Certification: CE, FDA, EEC, MSDS, ISO13485 Type: Stethoscope Classification: Physiological Functions of Diagnosis and Monitoring Equipment Material: Stainless Steel Color: Any Color Available Trademark: OEM Transport Package: Individually Gift Box Packaging Specification: ISO, CE, FDA Origin: USA HS Code: 901890100 Product Description Stainless Steel Electronic Diagnostic classic dual head Cardiology medical Stethoscopeis high-quality and offers three double chest-pieces in different sizes for adults, children, and infants. It is designed to be suitable for auscultation in all frequency ranges. Improved acoustic performance in all application areas is guaranteed. Some of its features include soft and flat non-chill rims for adaptation on the skin, special membranes for first class acoustics, integrated reinforced double-spring in the chromium-plate binaural, and durable Y-tube made of PVC for optimal acoustics. Patients are protected from undesired stray sounds. The external auditory canal is sealed with soft ear-tips that can be replaced and metal screw thread. The latex-free Tristar is supplied with two pairs of replacement tips for the ears, additional membranes, and a nameplate.Dual Head Medical Cardiology stethoscope feature Silver dual head chestpiece for adult, the membrane with diameter 48mm is sensitive for sound collecting.The small bell-like chestpiece is used for auscultating of slight and low frequency sound.Considerate dual anti-chill ring design.Connecting spring is embedded, ear tip is specially designed for suiting the ear structure.Stainless steel chestpiece, excellent sound conduction.Including: A pair of metal ear-tip and a replaceable membrane.Classic Medical Dual Head Cardiology Stethoscope is Constructed from acoustically-superior stainless steel, the Stethoscope delivers accurate auscultation of heart, lung, and Korotkoff sounds with acoustic integrity and clarity. An ergonomic design ensures comfort for the doctor and patient, even during extended use. The Stethoscope is a premier diagnostic instrument with unmatched performance, durability, and aesthetics.Classic Medical Dual Head Cardiology Stethoscope are a common part of a nurse's or doctor's uniform. Used as part of a physical examination, the stethoscope can help them hear certain sounds in our bodies that cannot otherwise be heard with just the ear. Depending on where they put the stethoscope they may hear the sounds of the bowels, the lungs and even blood going through an artery. Let's take a look at the many functions of a stethoscope and how it works.Chestpiece: The handcrafted stainless steel dual-head chestpiece is precisely machined and hand polished for the highest performance and durability. The full-rotation acoustic valve stem with green indicator dot allows the user to easily identify the active sound channel and seals in sound.Acoustic Tubing: Constructed of thicker, denser, latex-free PVC, the Y-configuration non-stick acoustic tubing provides insulation for superior sound transmission and seals out ambient noise while preventing the cracking and wearing that can occur from repeated use. The longer-than-average length allows a comfortable space between health professional and patient.Headset:Hand polished, pre-angled stainless steel headset features a patented internal dual-leaf spring construction for durability and custom fit. Soft eartips (available in standard and small sizes) are clear for hygienic purposes and conform to the ear to seal out extraneous noise while ensuring comfort during extended use.Included Accessories: 1 set eartips, spare ultrasensitive diaphragm.Materialstainless steel, aluminum alloylength650mmDiameterchestpiece48mm