With USB/ SD slot,Can play and with LED display for FM ... connected to mobile phones, MP3, MP4, PC and others USB, SD card reader, FM radio speakerFeaturesSpecificationPackage1. Speaker : 4 ohm 2.5 w ... (cm)(H)9.4×(C)6.5Qty/CTN(pcs)100With USB/SD slot,Can play SD card MP3 format audio filesG ... .W/CTN(kg)21AccessoriesUSB cable,Audio cable Lithium batteryBuilt-in USB,FM, card reader Speaker