Hitachi Maxell iPod-Only Noise-Canceling Headphones Don't Need Batteries

These noise » 11/19/08 5:18am 11/19/08 5:18am headphones from Hitachi Maxell are unlike many previous similar types since they don't require separate power. Instead they connect to iPods via the dock connector, and can suck on the batteries through there. They do manage about 20dB of noise canceling with an "Active Noise Rejection" system, but the…