Mini speaker, used as ipod/iphone speakers, Mobile speakers Build-in USB Audio with high fidelity Fashionable design Mini speakers for ipod/ iphone 3G Inlaid USBAudio with high fidenityBattery free, powered by ipod Stereo output fashionable  design Powered directly from iphone/ipod, no batteries required Audio input: ipod dock connector Impedance:8ohm Sensitivity: 92db Frequency: 200-20k HZ Color: white, black, pink, purple,etc. various colors can be available.Dimension:70mm*40mm

Portable speaker