Chinavasion regularly comes up with some Caller ID Stereo Bluetooth Headset" is a wireless device that displays the incoming number before the call is answered--which, so far as we know, already appears on pretty much any phone the market today (other than blocked calls, of course). To be fair, however, Chip Chick points out that it might come in handy if you have an unwieldy handset, especially one that could easily slip off the StairMaster's control panel while you're sweatin' to the oldies.--a , anyone?--so it's not surprising that it should come up with something like this item, which at first glance seems to be of devastatingly little use. Its "
Up for a challenge?
Put yourself to the real tech test by building your own virtual-reality headset with a few household items.