With USB/ SD slot,Can play and with LED display for ... connected to mobile phones, MP3, MP4, PC and others USB, SD card reader, FM radio speakerFeaturesSpecificationPackage1. Speaker : 4 ohm 2.5 w ... .4×(C)6.5Qty/CTN(pcs)100With USB/SD slot,Can play SD card MP3 format audio filesG.W.(kg)0 ... 22MaterialsMetalsN.W/CTN(kg)21AccessoriesUSB cable,Audio cable Lithium batteryBuilt-in USB,FM, card reader Speaker