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 • Made in the U.S.A.