... .CE,Rosh,FCC 2012 new mini card audio car speakers with TF USB FM MP3 *Built in audio player, can play TF card/ U ... place near an unformatted tape, ATM card, floppy disc, etc. Speaker may destroy data2. Do not store, place, or use in ... a bathroom or other humid places4. Turn volume down if the sound distortsOutput: 3W*2(RMS)Frequency: 100HZ-18KHZMicrophone: 40mm4 3w ...