... in high quality battery 4.Fast delivery time Perfect for Dancing Speaker with USB/Micro SD/FM (V309) Function and characteristics ... good Li-ion battery,easy to carry4.Applicable for PC,DVD,Mp3,iPod,PSP,cell phone etc,and other audio output ... battery9Input Power : USB power 5V and lithium battery10Applicable for : PC,DVD,PSP,cell phone,Mp3,vedio game,ipod,etc.11Audio connectors ...