... sports, leisure, office people, can use in travel, shopping, exercise, fitness, cycling, playing, dancing, entertainment, office and so on;2.free ... rid of troubles of theline, enjoy portable, lightweight, stylish, trend, new, unique, fun, high-fidelity sound !3.Stylish and cool wireless ... you feel comfortable and easy in the long time too. 2012 new Sports MP3 wireless stereo earphone/headphone