●100% Brand New 
●This Mini Sound Box suit to MP3,MP4,MD,CD,Notebook,PC,PDA,PSP, a mobile phone and other digital products with audio frequency output
●This Mini Speaker used for charging the equipment with USB power interface
●Rechargeable Speaker with Lithium ion batteries with electric circuit protecting function
●Can charge MP3,MP4,MD,CD,Notebook,PC,PDA,PSP, a mobile phone, digital camera and etc.in emergency through special USB power output wires
●Specifications:
＊Loudspeaker output:2W X 1W X1(d 31mm.28mm)
＊Sensitivity:82±3db
＊Loudspeaker impedance:8Ω±15%
＊Distortion:0.5%
＊Lithium ion battery output:3.6V
＊Lithium ion battery input:4.2V±0.05V
＊Dimension: 45mm(L)X53mm(W)X34mm(H)
＊Weight:55g(including batteries)
●Package Contents:
＊1×USB Cable
＊1×Portable Sound Box with audio plug