Boost your sound with the
CX 300S In-Ear Headphones, offering amazingly detailed sound reproduction and enhanced bass response thanks to
Sennheiser's transducer technology. The in-ear design reduces ambient noise to a minimum, and the included set of ear-adapters guarantees an individualized fit with four sizes to choose from. A Smart remote enables you to pause music and take calls across all devices.
MicrophoneBuilt-in microphone and remote so that you can receive calls as well as given you music control without having to get your phone out.