Chelsea Online

The SIE2I In Ear Headphones combine Bose's brilliant audio quality with water and sweat resistance making it perfect for any sport of exercise. It's integrated in line Mic. gives you convenient control over music or calls from your iPhone or iPod, meaning you can skip a track or answer a call with a single button. Bose exclusive TriPort technology provides a wide range of sound, generating realistic bass and low tones and giving you the best possible quality during exercise.