ERKA Sensitive Stethoscope | With Dual Diaphragm And Dual Channel Tubing For Each Ear | Optimal Sound Quality For Cardiology And Pediatric Use | Lightweight With Case Included | Black UNMATCHED SOUND PRECISION: The ERKA Sensitive stethoscope has a patented dual diaphragm and dual-channel tubes to reach each ear separately maximizing sound transmission quality and minimizing external noise. This stethoscope will get you maximum sound quality and transmission at high & low frequencies which is perfect for cardiology and pediatric use on adults, children and infants. A CARRYING CASE FOR PROFESSIONALS ON THE GO: The ERKA Finesse 2 Stethoscope comes with functional carrying case and features a lightweight design for medical workers on the go. ERGONOMIC AND FUNCTIONAL: The ergonomically shaped chest-piece enables auscultation even in hard-to reach areas or for different constituted patients. It has ergonomically shaped super-soft ear tips that will cancel outside noise and will be kind to your ears. FOR ALL SPECIALTIES: Anesthesiology, cardiology, pediatric care, emergency physicians, paramedics, family physicians, internists, physician assistants, medical students, nurse, aenesthetists/caregivers, and specialists in respiratory diseases. HIGHEST QUALITY: Made in Germany by ERKA, a 133 year old company which is a leader in precision-driven engineering. The pore free chromed brass surface is resistant to bacteria. Classified as Dermatologically safe and washable with all common medical soaps.