... Built-in LED light, with flash sync music or melody, the effect is outstanding 3 different LED colors for your individual ... 5mm universal headset jack, suitable for all kinds of MP3, computer, part of the mobile phone interfaceTechnical parametersHigh quality dynamic Mylar speakers ... Stereo 3.5mm or 2.5mm option LED flash with the rhythm of the headset, fashion and sport suitblbe in phone ,mp3 mp4