H2O Audio (http://www.h2oaudio.com/) has launched a new line of “waterproof, sweatproof” headphones, the US$29.99 Flex All Sport Buds. They’re waterproof up to three feet.

Users can choose from such colors as Envy Green, Power Pink, Onyx Black and Super Hero Blue. Three different sizes of earplugs provide a personalized fit.