... First Ultra-thin With digital percentage power OEM/ODM BD-U1 4500mA BD-U1 First Ultra-thin With digital percentage power ... , PSP series,and other digital products.Specifacation: Model NO.BD-U1ColourBlack, Blue,Pink,Purple,Sliver and etcSize:123.6*69 ... Product Digital display:First Ultra-thin With digital percentage powerBattery type:Polymer battery,A + + + + +Imported pure cobalt high conversion rate ...