... : Aluminum. *Output: RMS 2*2W. *Various color available. *CE&RoHS Mini Speaker for iPhone Model No.: GVMS-105FeaturesMini speaker, MP3 speaker ... , iPod/iPhone speaker. Compatible with iPod, iPhone, 3GS, Mobile phone ... )Power supply input: 4x1.5V AAA, DC-6V, USB7)Compatible with iPod, iPhone, mobile phone, MP3, MP4, iPod, PDA. ...