1.material:metal 2.size:50 x 188mm 3.music form:MP3,WMA,WMV,ASF 4.With FM function

1.material ; metal 

2.power  output; 2×3W          

3..size; 50 x 188mm4.Frequency range; 75HZ-20KHz 

5.With  FM  function6..S/N; ≥90db7..speaker; 4∩ 3W8.Charge  voltage; DC 5V9..With  3.5mm  audio  jack

10.music  form; MP3,WMA,WMV,ASF

11.colour; golden pink blue purple golden  red

colourful mp3/ FM portable mini speaker