Get ready for an immersive audio experience with the Sennheiser CX 310, a pair of superbly designed in-ear headphones. The dynamic speaker system of these Sennheiser headphones delivers clear treble along with a deep bass. A perfect air seal, courtesy of the in-ear design and ear adapters, helps the Sennheiser CX 310 deliver the best-in-class music quality. The air seal created by these Sennheiser headphones also cuts out the ambient noise for clearer audio with low volume even in noisy environments. What’s more, the gold-plated 3.5 mm jack does not corrode very easily ensuring compatibility of these in-ear headphones with a wide range of audio devices.