Sennheiser's top-of-the-line CC 550 Binaural Headset offers powerful, precise sound to both ears for optimal understanding. Its durable construction makes it perfect for any type of office or professional communication. Plus, its 300-degree adjustable microphone boom allows the mic to be positioned wherever you need it. For superior comfort and clarity, go with the Sennheiser CC 550 Headset.
Independent, double-sided headband
Self-adjusting, ball-mounted speaker capsules
300-degree adjustable microphone boom
ring sizes are in half sizes going from size 4, 4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5