Audio: Combination noise isolating earbud and in-ear microphone

The Raw Feed has a description and picture of a new cell phone earbud with built-in microphone by Japan's Nap Enterprise Co. They claim 30 dB noise reduction (passive, not active like noise-canceling earbuds and headphones). Because the microphone pickup is in the ear canal and isolated from the outside world by the wearer's head and the earbud itself, the speech picked up by the microphone should be much, much quieter. I look forward to hearing an audio sample! If anyone comes across one, please point me to it.