New Fashion FM Radio Portable Mini Speaker for Micro SD TF Card MP3 MP4 Player IPod PC Laptop Black color Power Supply: 5V/1000mA, AC Power Adapter, USB Power line Product is compatible with micro SD TF Card Buit-in FM Radio.Frequency Response: 150-18000H. connect MP3 MP4 Player IPod PC Laptop and other audio devices to play music Output : RMS6W(3W+3W)THD=10%