The earphones are featured with 10mm high quality moving coil unit, which provides the excellent bass dive ability and the real and natural sound quality. Standard 3.5mm plug pin, C100 can use in most of the portable broadcast equipment, such as smart cell phones, iPad, laptop, MP3 or professional audio player, etc. Provide you several models backup earcap help you select the most comfortable way to listen to music. In order to make c100 excellent appearance and sound quality. Let you hear more melodious and real sound, C100using biological membrane moving coil technology, it made sound softer, the bass sound performance well under same cavity space.