FEATURES Outstanding acoustic performance Durable yet lightweight (105 g) Ultra-sensitive diaphragm (1 3/4" diameter) for greater amplification and crisper high-frequency transmission with non-chill retaining rims Extra deep bell (1 3/8" diameter) for unsurpassed low-frequency response Combination diaphragm/bell adult chest piece AFD technology for enhanced response Flexible 22" PVC tubing A double leaf tensioning spring and a reinforcing yoke molded into PVC tubing Overall length is 76.20 cm BENEFITS Adsoft Plus snap-on silicone ear tips providing comfort and a great seal 15% thicker tubing (compared to Adscope 609), made without natural rubber latex or phthalates Includes accessory kit with small and large Adsoft Plus ear tips and scope ID tag Lifetime Warranty with Manufacturer