MDF Stethoscope:

The patented adult and pediatric convertible titanium dual-head chest piece is precisely designed and hand polished for superb performance and durability. With the MD One® Epoch™, you can quickly switch from adult or pediatric configurations with full spectrum low and high-frequency modes. The patented full-rotation acoustic valve stem features SoundTight™ GLS technology that helps glide and lock your chest piece in place, assisting in the sealing of sound. The green indicator dot also allows the user to easily identify the active sound channel.