Garmin’s latest triathlon watch is packed with pro features, but only serious athletes will get the most out of it ...

The ECG is displayed on a notebook or PC and it is stored on the hard disk. In Holter mode, data is stored on a standard SD-Card which is plugged into the ECG device for up to 30 hours.

The FM-180 24 hour Holter Recorder sets a new standard for durability and performance in extreme environments, while providing new information about patient's anatomical positions during testing.

The best tech products announced this week include Leica's first 35mm film and McIntosh's special-edition turntable.

Whether you use an armband or chest strap, add some smarts to your exercise and training routine with one of the best heart rate monitors we've tested.