Product information: Littmann Classic II Infant: Red 2114R Dual-sided chestpiece with small 2.7cm diaphragm, ideal for pediatric patients. .Versatile chestpiece design provides high acoustic sensitivity with both a floating diaphragm and open bell. .Non-chill rim and diaphragm provide patient comfort. Soft-sealing eartips provide an excellent acoustic seal and comfortable fit. Salient features: The ultrasound is lower than the national ultrasonic power standard by over 50%. Uniquely designed for smaller frames with a 3/4” open bell on one side coupled with a traditional diaphragm on the other side A seven rating on a scale of 1-10 for performance demonstrates its high quality \ Comfortable fit and excellent acoustic seal with patented 3M Littmann Snap-Tight Soft Sealing Eartips You will get optimal sound transmission with its anatomically designed headset which strategically and comfortably fits in your ear Durability is demonstrated by the fact that the headset can be reliably flexed one million times Patient comfort is assured with when rubber versus metal is applied to your patient when using the nonchill rim and diaphragm Three-year warranty on this product includes free repair, during this period, on any manufacturing or material defect(s) except in the cases of obvious abuse or accidental damage Suit your style by selecting a tube color and chestpiece finish that fits you. A large variety is offered