The makers of the infrared heat pad.and the MP3 player that have got some competition for the USB port. Another so-called pain reliever that attaches to the computer comes from USB Fever, this one offering to soothe sore muscles with an
Although Everything USB says it's light enough that "you should barely know you are using it," we think it looks like a giant suction pad--a large version of the kind they stick to your chest for electrocardiograms. And that may be no idle coincidence: It comes with a disclaimer suggesting that a doctor be consulted before using it. Don't expect this to be covered by insurance.