... . *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, MP3, MP4, PDA. ... amplifies: ≥ 60dB4)Loudspeaker: Dias 40mm, 4 Ohms, Diameter: (40/4Ω /2W)5)Line input: Configure 3.5mm stereo's ...