Boost your sound with Sennheiser’s CX 300S earphones which offer detailed sound reproduction and enhanced bass response thanks to the latest driver technology. These headphones feature a built-in microphone and remote control for convenient call and music management. The ergonomic in-ear design provides excellent ambient noise isolation for uninterrupted listening. A rugged, tangle-free cord ensures durability and long-lasting enjoyment. Key specifications include a 1.2m cable length, 17-21000 Hz frequency response, 18Ω impedance, 118dB sound pressure level, and a weight of 12g.