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...
50mm-55mm Headphone Earphone Earbud Ear Pad earpad Foam Cover * Brand New & high quality * Balanced density, flexibility * Elastic, comfortable and durable * enhance sound quality,Noise isolation * Fit most earbud-style earphones with 50-55 in diameter. Diameter:25mm 30mm 35mm 40mm 45mm 50mm 60mm Material: foam