... with built in speaker 1.cola shape, unique design 2.mp3 player 3.fm radio 4.bulit-in speaker mp3 player with built in ... Feature * This 3.5mm speaker can work with MP3,MP4,MD,CD,PAD and mobilephones that have ... effect,smooth sound. * Pure and clear sound quality with excellent effect. * Enhances your music experience anytime and anywhere ... 3.5mm stereo connect cable mp3 player with built in speaker