13Deals offers the Bluetooth Shower Speaker for $19.99. Coupon code "SHOWERSOUND" cuts it to $14.89. With free shipping, that's the lowest total price we could find by $7. It features a 33-foot range and ships randomly in red, blue, or black.
From shoes to cookware, if you're willing to pay a little more for these awesome products, you may never have to shop for another again.