Circle™ SC 230 USB CTRL II and SC 260 USB CTRL II are professional wired single-sided (SC 230 USB CTRL) and dual-sided (SC 260 USB CTRL) headsets that connect to a softphone via a USB. In addition to the eay-to-use call control and Sennheiser Voice Clarity, they offer features such as: CircleFlex® dual-hinge ear cup for instant perfect fit, noise-cancelling microphone and lightweight adjustable headband.
