hot sale !!! usb mini laptop speaker

usb mini speaker
1.usb power supply.
2.bass,treble stereo speaker.
3.nice design,high quality.
4.Built-in amplifie
hot sale !!!elegant usb mini laptop USB speaker

1.Material:Pure ABS;
2.Rate power: 2W x 2;
3.Frequency range: 100~20KHZ(Hz);
4.Input voltage:USB5-6V;
5.Powered HI-Fl amplifier;
6.Use:Notebooks/pc/mac/mp4/mp3/PDA/Portable Audio Player/Mobile phone;