• The double-sided chestpiece is easy to grip and move around
• Adjust the pressure of the 3M™ Classic III™ stethoscope diaphragm to hear either high- or low-frequency sounds
• You can squeeze or pull apart the ear tubes to adjust the headset
• The 3M™ Littmann® Classic III™ stethoscope has eartips that conform to the wearer's ears
• An acoustic seal helps keep out ambient noise
• The next-generation tubing makes this product durable and helps it retain its shape