Handling telephone calls all day can be made easier with these Logitech H650E on-ear noise cancelling monaural headphones. With digital signal processing, acoustic echo cancellation, and noise-cancelling mic, these professional headphones let you enjoy crystal clear conversations, even in noisy work settings. Intuitive inline controls allows for easy volume adjustments. | Logitech H650E On-Ear Noise Cancelling Monural Headphones - Black