3MLittmann® Select Stethoscope 2290, 28" Length, Black TubeFeatures & Benefits: Single-sided chest piece designed for easier grip and maneuvering Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chest pieceSoft-sealing ear tips provide an excellent acoustic seal and comfortable fitHeadset is easily adjusted for individual fit and comfort. Angled ear tubes align with ear canals.Non-chill rim and diaphragm for patient comfortSpecifications: Anatomically correct headset with firm ear tipsSingle-lumen tubingLength: 28"2 Year Limited Warranty Product Specifications BRAND3M MANUFACTURERS PART NUMBER2201 LENGTH INCHES28 COLOR FINISHBlack CONSTRUCTIONCoated Alloy Chestpiece DESCRIPTIONLittman® Select Stethoscope SIZEAdult STYLEArm TYPEStethoscopes PACKAGE QUANTITY1 LIMITED WARRANTY2 Years CHESTPIECE TYPESingle Head DIAPHRAGM TYPE?Tunable