Distinctive, molded-resin animal face chestpiece optimally sized (1½¿) for pediatric use. Adjustable frequency design (AFD) technology switches between low, bell-type frequency and high, diaphragm-type frequency simply by altering pressure. Non-chill bell and diaphragm retaining rims for patient comfort. Clinical headset boasts reinforcing yoke molded into the flexible. 22" PVC tubing. Lightweight aluminum binaurals in matching satin finish. Adsoft¿ Plus Snap-On silicone eartips for the ultimate in wearing comfort and acoustic seal.