Details & Specs for Professional Dual-Frequency Stethoscope

• Zinc alloy single-sided chestpiece with dual-frequency diaphragm
• Specially designed membrane lock, within the chestpiece, alters the diaphragm to achieve dual-frequency
• Hold the chestpiece to achieve low frequency response (similar to dual-sided bell chestpiece)
• Apply firm pressure to achieve high-frequency diaphragm response
• Comfortable, non-chill ring
• Lightweight, steel binaurals with internal spring
• 22" latex-free Y-tubing
• Deluxe eartips
• Lifetime Warranty