... .USB cable 3.FM radio, earphone function Features: usb laptop speakers can link to iPad, MP3, MP4, Notebook, CD, DVD, ... by plug in straightly. Plays audio from iPod, iPhone, iPad, computer, handheld game systems, other audio devices equipped with 3.5mm ... enhanced low frequency response and sound beyond sizeMagnetic base keeps speakers together for travelConvenient carry case and cord wrap included . ...