Portable FM USB speaker radio with LED display/AUX in Nice play with MP3/AUX IN/U disk/SD card Play time:3-6 hours Hot radio Portable FM USB speaker radio with LED display Specification:1.LED digital display time/clorck/alarm,FM/USB/SD/AUX IN function switch,Play and memory of music/FM station,support play with SD/MMC/USB cable,audio output2.Sensitivity:600MV S/N ratio:>=70dBA3.Speaker stereo ...