The Mic Extender Cable by Newer Technology is an ingenious little device that combines a short cable and a microphone to allow you to use your favorite stereo headphones as your iPhone headset. Of course you can use your favorite stereo headphones with your iPhone without this device, but you will probably need a $5 or $10 adapter to allow the plug to fit into the iPhone's recessed headset port. And, of course, if you use your favorite stereo headphones with your iPhone without this device, you can...
