nice sound quality with CE ROHS FCC ,best price for you , Main FeaturesMobile speaker for MP3, mobile phone,notebook PC,PC, MP4, DVD, VCDTumbler design, never falling dow whatever where you put itWith design property right !Easy charging-can be automatically charged by USB line Configurations:Mini USB portOn/off power switchPower indicator Techinical Datas:Rated power: 2WMaximax power: 2.2WSNR: ...