I have always wondered what is safe... sometimes my heart rate goes high and I get scared while working out.
Garmin Forerunner 35 GPS Watch + Heart Rate Monitor
A waterproof fitness tracker watch with wrist heart rate monitor and a color touchscreen. Customize yours with colorful wristbands. Read more.
Heart rate monitor MIO Links works on your wrist. No chest strap required. $99 coming out Q1 2014.
slim sanity: polar heart rate monitor Found one of these at Sports Authority and thought it would be neat to have and of course bought it. Went for a 45 min brisk jog/run with it this evening and burned 386 calories. Love it!
Garmin Unisex Forerunner 235 Gps Heart Rate Monitor Watch
Find Your Heart Rate Zone | He and She Eat Clean
BPULS Bluetooth Heart Rate Hearphone Wireless Sweatproof Hifi Sport Headset with Built-In APP Monitor Running Exercise (Black) *** Read more at the image link.
World’s First ‘Phodographer’ Dog Uses Heart Rate Monitor That Snaps Pics When He Gets Excited
Activity tracker provides constant feedback on exercise, heart rate, and calories burned while syncing wirelessly to most smartphones