Tune in to the sound of your choice and let nothing get between you and your music with Duet. The in-line microphone lets you make and receive clear calls blocking all the external noise. The tangle-free cable and ergonomic design allow for convenient, comfortable usage. Duet is made to withstand most of the rugged situation as it sports a high-grade exterior. So, let musical Duet flow your way. Features Refined Sound Quality: Built with expert craftsmanship to deliver powerful bass and clear highs, these earphones give you a breath-taking musical performance in total isolation even in the busiest environments with no compromise in sound.