[Voiceover] How do you know how hard

you're actually working out?

TomTom's Multi-Sport HRM GPS watch

monitors heart rate for any aerobic distance activity.

Running, swimming, cycling,

or just the treadmill or spin machine,

if you're not braving the elements.

Other watches do similar stuff,

but the TomTom is lightweight and less bulky

and the large display makes for easy viewing,

even with sweat pouring down your face.

The menus are easy to use

and an included bike mount lets you track speed

and distance while cycling.

Plus, unlike other wearables, it's waterproof

up to 165 feet, good for swimming or showering.

You can link the data to apps like MapMyFitness,

which syncs with TomTom's GPS

so you can monitor speed

and track your routes.

Now, all you have to do is put in the sweat.