3M™ Littmann® Master Cardiology™ Stethoscope is made with material which is free from latex and a chestpiece with handcrafted stainless steel. The stethoscope is designed with latest technology which enables to provide high performances. The headset is designed anatomically. TThis device has dual lumen which eradicate the sound from two tubes chafing together. The frequency of the pressure-based sound is adjustable by the tunable diaphragm. For pediatric or neonatal auscultation the device is provided with special-procedures adaptor. The chestpiece of stainless steel offers resistance to scratch, impact and corrosion which runs for a long time. The product comes with longest warranty and high quality is assured.