mini speaker,speaker,ipod speaker 1,DC 5V 2.USB power 3.RMS:4W 4.MP3/WMA format decoder Mini speaker, ipod speaker, iphone speaker, plastic speaker, mp3 speaker, multimedia speaker,USB speaker 1.MP3/WMA format decoder2.Volume control3.Work with all audio sources with a 3.5mm jack4. li-ion Battery inside5.Power Led indication and li-on battery charging indication6.Power Supply: DC 5 Volt(li-lon ...