Wired headphones with USB-A microphone Kensington

USB-A mono headphones with omnidirectional microphone, noise cancellation and volume control. The 27mm driver offers very deep bass and a wide dynamic range. It sets the output m maximum at 94 dB to protect the ears from hearing loss associated with prolonged periods of exposure to excessively loud sound. It works with Windows, Mac, and Chromebook devices. Cable length 1.8 m.