Introduction The Stethoscope is mutifunctional double head Clock Stethoscope and designed for all auscultation. It can be used for adult and infant with different sizes of diaphragm and bell. It is widely applied for cardiovascular and respiratory auscultation in hospital, clinic, school, or home. Features With Clock Dual head Aluminum alloy chestpiece Head large diameter about 45mm, head small diameter 30mm 5 way convertible design: large diaphragm, small diaphragm, adult size bell, medium size bell, infant size bell Adjustable Ear hanging with comfortable silicone eartip Spare eartips of 2 different sizes for best comfortable use Endurable and high quality for professional use Colorful Flexible PVC tube Latex-Free Head Material: Aluminum alloy Tube Material: PVC Connected total length: Approx.80cm