... aluminum metal surface suitable for both outdoor and indoor environment. Multi Function Mini Sport Sound Box----Mini Speaker/Sport MusicDescription:1) .Through ... with laptop,iPod, MP3, MP4, MP5,cellphone,PSP ect. via 3,5mm audio cable5).Dual power supply: USB&Lithium Battery6).Without ... whole cabinetTechnical Data:Power:USB, Lithium BatterySignal transfer:AUX in 3.5mm,USB ,TF card& FM radio Output:3W x ...