Stainless steel single-sided chestpiece with dual-frequency diaphragm
Specially designed membrane lock, within the chestpiece, alters the diaphragm to achieve dual-frequency
Hold the chestpiece to achieve low frequency response (similar to dual-sided bell chestpiece)
Apply firm pressure to achieve high-frequency diaphragm response
Comfortable, non-chill ring
Lightweight, stainless steel binaurals with internal spring
Extra-thick cardiology 19"; latex-free Y-tubing
Deluxe eartips
Lifetime Warranty