Stylish, premium design with two-way speaker units and UHQ Audio (Ultra-High Quality Audio) for superior sound Flexible urethane joints and lightweight design for a comfortable fit The earbuds allow for a comfortable fit without falling out. Easily store in a purse or even a pocket. Perfect for use in the office, home, gym or outdoors.Does not fit for boxing and other strenuous exercise Best-In-Class : clearer voice calls , 12mm Dynamic Speaker Unit for De