USB 2.0 mini computer portable speaker

1powerful portable MP3 Mini speaker.yellow colour high end powerful Rechargeable Portable MP3 speaker, black/red colour high end portable notebook USB 2.0 mini speaker, high end portable USB Mini speaker for mp3/mp4/iphone, Mini USB speaker

2.Work with all sound source with 3.5 audio interface product like : MP3 ,Computer ,mobile phone ,CD player etc, Protable mini boom speaker- Teeny Tweakers -Tiny pocket size with room filling sound

3..Single USB connector (no external audio plug) getting power from computer, built-in USB control ,sound card decoder ,and the digital power amplifier in one chip3.5mm audio plug ,connects to Ipod, Frequency range:90Hz - 20 kHz,Output

:2.5W+2.5Wm,distortion: 0.3% 1W 1KHz

4..connects to Ipod,Iphone,Mp3 and most audio devices

5..built-in lithium polymer battery ,recharge through standard USB port

6.Vacuum Bass,360 Degree Sound filed

7.LED indicate power status

8. packing size 51*42*28mm 100pcs/carton

8. OEM order is welcome,