As a follow-up to the white Moxie showerhead that Kohler debuted last November, the appliances brand has made the musical device available in new colors and finishes: chartreuse, retro blue, navy blue, and cherry red, as well as brushed nickel and oil-rubbed bronze. These eye-catching showerhead and wireless speaker combos sync with any Bluetooth-enabled device (iPhone, MP3 player, etc.) to stream your favorite songs in the shower. The mechanism consists of an anchored head with 60 angled nozzles and a speaker…