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"Got a third-generation iPod nano? Looking for a new set of earbuds, preferably with noise-canceling abilities? If so, look no further than Radius' new set, which plug right into the dock in order to extract all the juice they need to block out extraneous clamor. The radStrap canalphones are expected to ship in black, green and silver, and feature a neck strap, on / off switch for the noise-cancellation, an aluminum housing and frequency response of 20Hz to 20kHz. Check 'em out next month for &amp;yen;8,980 ($82), but don't get your hopes up for a bonafide US release."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2007/11/30/radius-dock-powered-noise-canceling-earbuds-for-your-ipod-nano/>