3MLittmann® Classic II S.E. Stethoscope 2201, 28" Length, Black TubeFeatures & Benefits: Versatile chest piece design provides high acoustic sensitivity with both a tunable diaphragm and open bellTunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chest piece Non-chill rim and diaphragm provide patient comfortSoft-sealing ear tips provide an excellent acoustic seal and comfortable fit Angled ear tubes align with ear canalsHeadset is easily adjusted for individual fit and comfort Resilient next-generation latex-free tubing retains its shape and flexibility even after foldingMade in the USASpecifications: Traditional bell combined with a tunable diaphragm that allows the user to conveniently alternate between low- and high-frequency sounds without turning over the chest pieceExcellent acoustic seal and comfortable fit with patented 3MLittmann Snap Tight Soft-Sealing ear tipsComfortably angled, anatomically correct headsetPatient-friendly, nonchill rim and diaphragm Length: 28 inches3 Year Limited Warranty Product Specifications BRAND3M MANUFACTURERS PART NUMBER2201 LENGTH INCHES28 COLOR FINISHBlack CONSTRUCTIONStainless Steel Chestpiece DESCRIPTIONLittman® Classic II S.E. Stethoscope SIZEAdult TYPEStethoscopes PACKAGE QUANTITY1 LIMITED WARRANTY3 Years CHESTPIECE TYPEDual Head DIAPHRAGM TYPE?Tunable