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.