Beer cap design Earbuds, Big place to print logo, Work for iPhone,iPod,MP3,MP4 Able to OEM ... Features and Descriptions:beer cap design Earbuds,big place to print logo, able to OEM logo and color,work for MP3 ... , it gives a rich and stereo sound effect- play music with any music player such as mobile phone, Iphone, MP3, MP4 player ...