TYLT TUNZ Stereo Headphones - Retail Packaging - Green In-line microphone with one-button controller for seamless multi-functionality 3 sizes of Active Gels create a secure comfortable fit for all users Exceptional sound quality with deep rich bass and clear crisp highs. In-line microphone with one-button controller for seamless multi-functionality^3 sizes of Active Gels create a secure comfortable fit for all users^Exceptional sound quality with deep rich bass and clear crisp highs.