HighlightsCRYSTAL CLEAR SOUND WITH CVC6.0 NOISE CANCELLATIONDetails*Features* - **SPORT STYLISH HEADSETS* - Adopt advanced noise cancellation technology and high sensitive microphone to deliver HD immersive stereo sound when exercising. 3-size(S/M/L) ear tips fit securely in your ear canal and form a general seal for additional passive noise reduction. Ear hooks fit securely and comfortably on your ears when you are workout. In-line remote button achieves multiple functions and achieve hands-fre