... Speaker Charging Dock station for Ipod Nano Mini Speakers for MP3/MP4 Players Two Colors available Mini Speaker Charging Dock station for Ipod NanoSpecifications :(1)Output ... )(3)Input Power: DC 9V/1000MAFunction:Recharge: 4NO.7 batteries, DC 9V/1000mA Power Adapter, or USB5V computer source ... link to MP3, MP4, Notebook, CD, DVD, Mobile phone, IPOD (nano4),Iphone 3G.can be charged when playing by plug ...