... .5 audio interface product like : MP3 ,Computer ,mobile phone ,CD player etc, Protable mini boom speaker- Teeny Tweakers -Tiny pocket size ... range:90Hz - 20 kHz,Output :2.5W+2.5Wm,distortion: 0.3% 1W 1KHz3.connects to Ipod,Iphone,Mp3 and most ... *28mm 100pcs/carton8. OEM order is welcome, Pink colour beautiful high quality mini USB speaker in colour box package