Sennheiser CC 540 over the head, binaural headset with large ear caps, Ultra noise-cancelling microphone. The CC540 from Sennheiser is a noise-canceling headset designed to provide lasting comfort and superior audio quality. The adjustable boom mic has a pivot feature, so you can adjust the microphone position to get the best speech pickup possible, while simultaneously eliminating unwanted background noise. The adjustable headband and leatherette ring ear pads provide a snug, comfortable fit, and you can easily replace the ear pads if they become worn. Additionally, the ear cups swivel 90 degrees in order to provide the best fit. The microphone has a 100 Hz to 4.5 kHz frequency response, capturing the most important frequencies used in normal speech, and the headphone's 200 Hz to 4.5 kHz frequency response provides easily intelligible audio. The CC540 comes with a 0.8-meter audio cord, allowing you a wide range of movement while wearing the headset. It also comes backed with a two-year warranty.

Connector: Easy Disconnect (ED). 200 Hz to 4.5 kHz frequency response in headphone 100 Hz to 4.5 kHz in microphone. 80-centimeter cable; adjustable headband. Replaceable leatherette ring ear pads. Adjustable microphone boom with microphone pivot. Compatible with major telephone and call center systems. 300° adjustable Microphone BOOM allows Microphone to be positioned exactly for optimal speech clarity. Independent, double-sided headband adjustment and self-adjusting ball-mounted speaker capsules allow perfect fitting to the head. Activegard safeguards the user from the effects of an acoustic burst. Its durable construction makes it perfect for any Type of office or Professional communication. The binaural headset offers powerful, precise sound to both Ears for optimal understanding.