Littman Classic III Monitoring Stethoscope - Black The Classic III introduces a brand new design, improved materials and enhanced technology to the Littmann range, allowing clinicians to achieve their best. The Littmann Classic III uses 3M's tunable technology allowing you to transition seamlessly between hearing low and high frequency sounds by simply adjusting the pressure applied on the chestpiece. The double-sided chestpiece makes the Classic III suitable for use on adult and paediatric patients and features a single-piece diaphragm that's easy to attach and clean thanks to its smooth, crevice-free surface. Features: • Tunable technology for easy transition between low- and high-frequency sounds • Soft-sealing eartips for comfort and excellent acoustic seal • Open bell stays clear of dirt and debris • Adjustable headpiece for comfort • Latex-free, single-lumen tubing does not contain phthalate plasticisers • Littman's renowned quality General specifications: Length - 69cm (27.2") Weight - 150g Warranty - 5 years Chestpiece: Construction - Double-sided (adult and paediatric) Material - Stainless steel Diaphragm type -Tunable, single-piece Diaphragm diameter - Adult: 4.3cm (1.7") Paediatric: 3.3cm (1.3") Tubing material: Latex-free, phthalate-free Headset material - Wide diameter aerospace alloy/anodised aluminium