... 3.CE FCC ROHS etc. Speaker for laptop,computer,MP3,4,5 with classic color Product Feature:1.Compatible with laptop,computer ... , MP3, MP4, MP5, CD, DVD, GPS, PSP, mobile phone. 2. ... . Main SPEC: 1.Output:1w2.Impedance:4Ω3.Range.Frequency:90Z-20KHZ;4.S/N Ratio:≥80dB5.Audio input:Aux6. ... com Classic color 2.0 Speaker for laptop,computer,MP3,4,5