Details Featuring single-head variable range chestpiece, the Variable Range Stethoscope can catch low and high frequencies by simply applying more or less pressure on the back of the chestpiece. Includes an anti-chill ring design as well as ear tips which are specially designed to fit comfortably within the ear structure. Made of stainless steel, this is a durable and reliable stethoscope. The BV Medical Variable Range Stethoscope may be used by nurses, doctors, physicians, EMTs, healthcare professionals, medical students, and more. Product Includes: BV Medical Variable Range Stethoscope and Stethoscope ID Tag Not made with natural rubber latex. Model 30-751-014 var acc = document.getElementsByClassName("accordion"); var i; for (i = 0; i < acc.length; i++) { acc[i].addEventListener("click", function() { this.classList.toggle("active"); var panel = this.nextElementSibling; if (panel.style.maxHeight) { panel.style.maxHeight = null; } else { panel.style.maxHeight = panel.scrollHeight + "px"; } }); }