High performance sound quality with super dynamic deep bass high resolution treble & crisp powerful sound. It has perfect stereo sound quality, enjoy full listening comfort with soft, snug ear buds that conform to your ears, bring you the perfect audio enjoyment. The cord was built in a in-line controller and a high quality microphone, the controller was designed to play / pause music / next track / previous track / answer phone calls / hang up phone calls. High-end Technology and Ergonomic design:Built with high-performance speakers for extended frequency range,lower distortion, high performance and noise isolating ear tips eliminate ambient noise.Ergonomic design makes it more comfortable,relevant and cool to put on your ear. Are Professionally Designed For Music Listening Requirement In Running Jogging Weight Lifting Walking And Gym Training. They Will Not Fail Or Break Even During Intense Outworks.