This watch measures heart rate through a sensor that monitors blood flow in your wrist. You don't need the bulky old heart strap anymore.
Select from five intensity zones and always know when to speed up or slow down.
Easily upload your activities on popular running sites and track progress against your goals.
Keep track of runs on a treadmill without needing extra accessories.
Great for use outdoors, in the shower or in the pool.
Lithium-ion polymer battery can be charged with the included cable, which connects your device to your computer's USB drive.