It's always important to get the essentials right. That's why Sennheiser has created CX 80S to ensure an enjoyable sound experience, elegant design and durable build quality - brought together with the audio specialist's signature attention to detail. Sennheiser's wired in-ear headphones take an essential, purist approach: they offer a balanced sound without unwanted extremes in either high or low frequencies - just a refreshingly natural listening experience | Sennheiser CX80S Wired In-Ear Headphones in Black