The product have a beautiful surface ,And good quality .Wish you like it .All these speaker can play mp3/mp4/ipod . Or other soud players .

User:Powersupply: Battery(aaa1.5v*2), DC 3.0v(output 3v,300-800ma)Speaker unit:3w*1(Output power:3w*1 4ohms(1khz 10% thd)Erequency response:275hz-20khz

Speaker bag can play mp3/mp4/ipod .When you walk in the road you can listening .You can listen music everywhere.

Features:1) Size (W x H x D): 16 x 11.5 x 5.5cm2) Power supply: battery (AAA 1.5V x 2), DC 3V (output 3V, 300-800mA)3) Speaker unit: 3W x 14) Output power: 3W x 1, 4 ohm (1kHz 10% THD)5) Frequency res

Speaker bag can play MP3/mp4/ipod. When you walk in the road you can listening. You can listen music everywhere.

Features:1) Size (W x H x D): 16 x 11.5 x 5.5cm2) Power supply: battery (AAA 1.5V x 2), DC 3V (output 3V, 300-800mA)3) Speaker unit: 3W x 14) Output power: 3W x 1, 4 ohm (1kHz 10% THD)5) Frequency res

have rohs certification1) Size (W x H x D): 16 x 11.5 x 5.5cm2) Power supply: battery (AAA 1.5V x 2), DC 3V (output 3V, 300-800mA)3) Speaker unit: 3W x 14) Output power: 3W x 1, 4 ohm (1kHz 10% THD)5)

Features:1) Power supply: battery (AAA 1.5V x 2), DC 3.0V (output 3V, 300 - 800mA)2) Speaker unit: 3W x 1 (output power: 3W x 1, 4 ohms (1kHz 10% THD)3) Frequency response: 275Hz - 20kHzPacking: color

Speaker:3"20W*2Power:2*20w, D-class AmplifierIPod dock and play3.5 Stereo jack inputBass output jackRCA-video S-video-video outputIpod chargerCompatible with ipod miniIpod and ipod photo with doc