[. . . ] SH350 Perfect quality for demanding users Special acoustic foam ear pads optimize sound penetration around the center of the cushion and into the ear canal while minimizing leakage. [. . . ] ActiveGardTM safeguards the user from the effects of an acoustic burst Independent double-sided headband adjustment for individually preferred positions and maximum comfort Self-adjusting ball-mounted speaker capsules allow perfect fitting to the head 300° adjustable microphone boom allows the mic to be positioned exactly for optimal speech clarity. Teflon®* washer support increases positioning accuracy, stability and ensure optimal durability. Technical data Transmission data Microphone . . . . . . . . . . . . . . . . . . . . . . . Noise Canceling 100 Hz ­ 3400 Hz -34 dB Less than 1% 300 300 Hz ­ 3400 Hz 104 dB SPL limited by ActiveGardTM Less than 1% Cable length . . . . . . . . . . . . . . . . . . . . . . 1 m / 3. 3 ft Kevlar®* reinforced Connector . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Large ø 46 mm / 1. 8 inch Accessories included Acoustical foam ear cushions, Carry bag Replacement leatherette ear pads Headset storage hook, clothing clip Microphone windscreen *Teflon® and Kevlar® are trademarks of DuPont. Contact details [. . . ]