[. . . ] [. . . ] ActiveGardTM safeguards the user from the effects of an acoustic burst Independent double-sided headband adjustment and ergonomic side support for individually preferred positions and maximum comfort Self-adjusting ball-mounted speaker capsule allows perfect fitting to the head 300° adjustable microphone boom allows mic to be positioned exactly for optimal speech clarity. Teflon®* washer support increases positioning accuracy, stability and ensure optimal durability. Technical data Microphone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Noise Cancelling 200 Hz ­ 4500 Hz Less than 1% ~2 k 100 Hz ­ 4500 Hz Max. 104 dB limited by Large ø 46 mm / 1. 7 inch 1 m / 3. 3 ft Kevlar®* reinforced Easy Disconnect Accessories Included: Clothing clip, Microphone windscreen Acoustical foam ear cushion Optional: Carry bag Replacement foam or leatherette ear cushion Wall hook *Teflon® and Kevlar® are trademarks of DuPont. Contact details [. . . ] [. . . ]