1)OutputPower:RMS5W(2.5W*2)THD=10%2)FrequencyResponse:150Hz-18KHz3)LoudSpeaker:2inch(externaldiameter52mm);4 4)Signalandnoiseratioofpoweramplifier: 80dB5)Output:3.7V*1000MA6)Input:5.0V7)BuiltinrechargeableLi-ionBatteryandconnectDC5Vpowerinputsocket8)PlayMP3formatmusicfromMMC/SDcard,Udisk.FMfunction,FrequencyResponse:87.5-108MHz.9)Connect3.5mmstereoaudiocabletospeakersocket LINEIN ,canenjoythemusicfrommobilephone、MP3、MP4、PC、IPODandotheraudiodevices,noneedtoshiftamongUdisk/SD/MMCcard、MP3/MP4,itcanautomaticallyreadthefirstinputmediadevice.10)UseRemotecontrolcanautosearching.