... radio Portable speaker with CE ROHS: Power output:RMS 2W*2,THD+N1%2)Frequency response:50Hz~20KHz 3) Input Voltage:DC 5V4 ... : Metal 8) Color: Blue, red, black pink , gold1.Play music, with high-powered loudspeakers, long time play2.Build-in stereo FM ... -in mp3,mp4,laptop,mobilephone as peripheral speaker. Portable speaker with CE ROHS