... Perfect tone 4.Metal,sport speaker Hot Products for USB Mini Sport Speaker Box(V2) Function and characteristics:1 ... Tuner3.Great design, with perfect tone4.Applicable for PC,DVD,Mp3,iPod,PSP,cell phone etc,and other audio ... power 5V and lithium battery10Applicable for : PC,DVD,PSP,cell phone,Mp3,vedio game,ipod,etc.11Audio connectors: 3. ... cable 1 pc;rechargeable and replaceable lithium battery 1 pc