... *3W. *Various color available. *CE&RoHS Mini USB Speaker for Mobile Phone with LCD Display Model No.: GVMS-104A1)Housing material: Aluminum2 ... 2*3W(THD=10%)4)Frequency response: 150Hz~18KHz5)Signal and Noise Radio of power amplifies: ≥ 80dB6)Loudspeaker: Dias 45mm, 4 ... supply input: Build-in lithium battery 550mAh, USB10)Compatible with iPhone & iPod, mobile phone, MP3, MP4, iPod, PDA. etc11)Size: 17* ...