... Mini Speaker for iPhone. *Housing material: 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 ... response: 150Hz~18KHz3)Signal and Noise Radio of power amplifies: ≥ 60dB4)Loudspeaker: ... 5V AAA, DC-6V, USB7)Compatible with iPod, iPhone, mobile phone, MP3, MP4, iPod ...