Highest quality stainless steel chestpiece for both 1¾” diaphragm and 1¼” deep cone-shaped bell for excellent acoustic sensitivity. Dual, elegantly moulded PVC tubing Reinforced stainless steel dual inner-spring construction of binaural provides extra durability, while still maintaining portability. Dual head. 76.2cm in length. 2 spare pairs of soft seal eartips. Available in: Black, Burgundy, Hunter Green or Navy Blue. 5 Year warranty.