Offering deep punchy bass the Sennheiser CX300S Wired In-Ear Headphones will immerse you in your music. Feel the beat of your tunes with sound reproduction and enhanced bass response thanks to the Sennheisers transducer technology. With ear adapters that come in four different sizes you can really find the perfect size for excellent comfort and noise reduction.Complete with a smart remote that enables you to easily pause your music and take calls without having to touch your device, works across all devices.. Small design for excellent comfort. Smart remote. Ear adapter sizes (XS, S, M, L) for effective noise blocking. Cable length 1.2 m. Connections: 3.5mm audio jack. Dimensions: H287 x W21.6 x D28.7mm