The 3M Littmann® Cardiology IV™ Stethoscope is designed for clinicians who require outstanding acoustic performance combined with exceptional versatility. Its innovative design provides a single piece tunable diaphragm on each side of the chestpiece. Outstanding acoustics with better audibility of high-frequency sounds (adult side, firm pressure).

• Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece.
• Dual-lumen tubing: Two sound paths in one tube eliminate the rubbing noise of traditional double tubes.
• Headset is easily adjusted for individual fit and comfort.
• Angled eartubes align with ear canals.
• Soft sealing eartip.
• Stainless steel chestpiece.
• Epoxy/fiberglass diaphragm material.
• Phthalate-free.
• Seven-year warranty.
• Weight: 177gm.
• Diaphragm diameter: 4.3cm.
• Small diaphragm diameter: 3.3cm.
• Latex-Free.