Portable Foldable Mini Speaker for iPod, MP3, the computer and mobile phone handwriting Power:USB 5v,DC6V(4XAAA batteries) or DC power supplySpeaker: 4 ohms 2 wattsPower:1w*2Frequency respomse:80Hz-18KHzSNR:>65DBSignal cable length: 220 mmPlug:3.5mm stereo plugFold size:100*70*60mmExpand sizeL190*70*70mmPackage:color boxPacking: 60pcs/ctn soccer ball loudspeaker