Dual-sided, wired premium headset with USB connection or 3.5mm jack for PC, softphone, or mobile devices. Connection to the device: jack, USB. Wearing style: on-ear, headband style: over-the-head, wearing mode: duo. Suitable for office applications, Microsoft certification: for Skype for Business Online. Adjustable headband with numbered adjustment positions. Soft leatherette ear cushions provide comfort and powerful sound all day long. Ultra noise-cancelling microphone for perfect conversations in noisy environments, active noise cancellation for added comfort. Designed for professional users in contact centers who need perfect sound, durability, and added mobility. Unleash your true potential at work with an audio solution made for crystal-clear communication. The IMPACT 600 is part of our highly reliable wired headset series, ensuring you can handle any work situation with confidence.