No-sweat holiday gifts for serious athletes
By Roy Wallack (12.13.2010)
"Provides the comfort of a strapless wristwatch-style monitor without requiring you to sacrifice accuracy. By measuring blood flow through the large veins of the upper arm, it gets a reliable pulse the others can't and displays it in bright-green, non-blinking, 1/2-inch-tall numerals that are visible day and night."