The ADC Adscope 612 Lightweight Platinum Clinician Stethoscope with AFD Technology combines the acoustic response of a traditional bell and diaphragm in an ergonomic, sculpted, one-sided chestpiece. Use light pressure for low, bell-type frequencies, and firm pressure for high, diaphragm-type frequencies. The clinician headset features a reinforcing yoke molded into flexible phthalate-free PVC tubing, stainless binaurals, and Adsoft Plus snap-on silicone eartips for the ultimate in wearing comfort and acoustic seal. Includes a scope ID tag and two additional pairs of Adsoft Plus eartips in a convenient storage case. Lifetime warranty and free parts forever.