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TomTom watches push you to roll back your 'fitness age'
Instead of launching a fitness watch or two at the IFA conference, TomTom has announced three new features for existing devices that could provide that push you need to get fit. The first one is called Fitness Age, because it tells your age based on your fitness level. It computes for the result by comparing your VO2 max to other people's of the same age and gender. In athletic training, VO2 max means the maximum amount of oxygen you can consume per minute for your weight and is a key indicator of cardio fitness and endurance.
