... to iPad, MP3, MP4, Notebook, CD, DVD, Mobile phone,IPOD,iPhone&iPhone 3G&4 can be charged when playing by plug in ... play4.Using new technology, Nice acoustic fidelity5.Build-in flash memory(optional),can storage large quantity music and data6.Full function ... ,mp4,laptop,mobilephone as peripheral speaker. 2.0 audio speaker for iphone 2.0 audio speaker