... speaker portable rechargeable,mp3 mini speaker*Compatible with mobile phone,Mp3,Mp4,Ipod,PDA laptops speakers,mini speaker portable rechargeable,mp3 mini speaker laptops speakers,usb speaker,mini speaker ... )Sensitivity:>80dB6)Power Supply:USB power 5v7)Stereo digital mini speaker8)Portable design, built-in ... 3.5 audio ports10)Compatible with mobile phone, Mp3, Mp4, Ipod, PDA.Etc11)Injection molding ...