mini speaker,vibration speaker 1,DC 5V 1A 2.USB power 3.RMS:4W 4.speaker for ipad2 Mini speaker, ipod speaker, iphone speaker, plastic speaker, mp3 speaker, vibration speaker,USB speaker1.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 Battery ...