Colorful Mini Speaker for iPod/iPhone 1.function:mini speaker 2.USB cable Colorful Mini Speaker for iPod/iPhone(1)Output:Rms 4W(2W*2) Stereo(2)Sound respond frequency:150-18000HZ(±3dB)(3)Input Power: DC 9V/1000MARecharge: 4 NO.7 batteries, DC 9V/1000mA Power Adapter, or USB5V computer source power.Can link to MP3, MP4, Notebook, CD, DVD, Mobile phone, IPOD (nano4),Iphone 3G. It can be charged ...