Amazon.com is offering the Mint 130 wireless speaker for iPod (model no. MINT130) for $89.99, which is $30 off the original price of $119.99 and the lowest price we could find by roughly the same price margin.  FREE shipping is included and sales tax applies for residents of Kansas, Kentucky, New York, North Dakota, or Washington.
 

The Mint 130 wireless speaker for iPod is compatible with most newer dockable iPod models includeing the iPod classic 3rd gen. through 6th gen. and all iPod nano models.  A 3.5-mm line input is also available for use with external audio devices.  Two three-inch full-range transducers provide a big speaker sound.  It is powered by a lithium coin battery.  Dimensions: (W) 1" x (D) 3" x (H) 0.4" ; weight 0.7oz.