Oh, sure -- you've got at least 893.1 options (at last count, anyway) when it comes to noise cancelling headphones for your iDevice, but do any of those plug directly into the dock connector instead of requiring a separate battery? Exactly. That's the claim to fame for Blackbox's i10, a new set of earbuds that rely on power from your iPod or iPhone in order to achieve that active...
H2O Audio H3 Waterproof Headphones let you listen to music while swimming with the optional H2O Audio waterproof housing. Their modular design allows you to use the headphones as standard earbuds, or with the detachable wrap-around sports band. Aquatic silencer earplugs reduce noise and seal out water. The reactive coiled cable eliminates tangles and provides flexible slack that moves with you.