The EPOS IMPACT SC 230 USB MS II is a single-sided (monaural) wired USB headset for contact centres and office workers who spend much of the day on softphone calls, while keeping one ear free to hear colleagues. It plugs into a PC's USB-A port and has an in-line call control unit for answering and ending calls, adjusting volume and muting, and it is optimised for unified communications with Microsoft Teams certification. A noise-cancelling microphone on a bendable, pivoting boom focuses on the user's voice, with a microphone frequency response of 50 Hz to 18 kHz, and EPOS ActiveGard protects the user from acoustic shock. The headset weighs just 58 g and has a lightweight, metal-reinforced headband and an acoustic foam ear pad with a soft leatherette cover, plus CircleFlex dual-hinge ear cup for a comfortable fit. The black and silver headset has a 2.9 m cable per the supplier listing. It comes with a carry pouch, clothing clip, quick guide and safety guide, and carries a 2-year warranty.