A traditional dual head design featuring a lightweight aluminum chest piece pvc tubing. An inlaid non-chill ring, chrome-plated brass binaurals. An excellent stethoscope for general auscultation. 1) soft ear tips2) aluminium chest piece3) non-chill bell and diaphragm ring4) diaphragm side, detect high frequency sound5) bell side, detects low frequency sound6) snap on diaphragm ring7) latex-free tubeqr code:color: