The 3M Littmann Classic II Paediatric Stethoscope is based on the proven design of Littmann Classic stethoscopes. The 3M Littmann Classic II Paediatric Stethoscope is equipped with double-sided chestpiece that gives you the option of a tunable diaphragm on the front or a traditional bell on the reverse. The dual-sided chestpiece with smaller 3.3 cm diaphragm is ideal for paediatric patients. Its versatile chestpiece design provides high acoustic sensitivity with both a floating diaphragm and an open bell. The The 3M Littmann Classic II Paediatric Stethoscope has soft-sealing eartips that provide an excellent acoustic seal and comfortable fit. The The 3M Littmann Classic II Paediatric Stethoscope comes with a 3 year warranty which includes free repair on any manufacturing or material defects.