Specification mini speaker for iphone: 1.3.5mm Audio cable 2.USB cable 3.FM radio, earphone function Features:mini speaker for iphone can link to iPad, MP3 ... , MP4, Notebook, CD, DVD, Mobile phone,IPOD,iPhone&iPhone 3G&4 can ... build-in mp3,mp4,laptop,mobilephone as peripheral speaker. mini speaker for iphone mini speaker for iphone