Add more fun to your favorite summer past time with the Aqua Sounders Floating Speaker from Grace Digital Audio ($150). This spherical speaker for the iPod is wireless, waterproof and stays afloat to let you enjoy your favorite tunes while chillaxing in the pool. The Aqua Sounders includes a transmitter dock capable of supporting up to ten floating speakers within a 150-feet radius. The floating speaker can run up to six hours non-stop on fully charged batteries and features a pair of ultra-bright LED mood lights for nighttime skinny dipping fun.