The CX 485 delivers the musical experience and comfort that only Sennheiser can. Using the type of transducers usually reserved for headphones costing 3x as much, the CX 485 has the detail and response you require to re-discover your music all over again. With a painstakingly crafted ergonomic design, the CX 485 fits into smaller ears for a snug yet comfortable fit you dreamed of.The unique combination of ear-plug and hi-fidelity speaker combat noise pollution so you can listen at a safer level and hear the nuances and musical cues that make each track your favorite.The ultra-wide frequency response covers the entire range of human hearing to ensure that you take in as much music as you humanly can. The in-line volume control adds a convenient way to dial in the perfect listening experience without reaching for your pocket. Step up to the CX 485 and discover what you have been missing all along.