Want more efficient workouts? A fitness monitor—or “wearable tech”—such as an activity tracker, smartphone, heart rate monitor or GPS watch can help anyone get more out of exercise.
Features range from simple stopwatches and lap timers to sophisticated measures of speed, distance and heart rate that you can analyze, track and share on your smartphone or computer.
Best for general fitness, calorie and sleep tracking
An activity tracker is a moderately priced wristband or pocket device that has become increasingly popular.
Activity trackers use accelerometers, which are a very accurate and reliable step-counting mechanism.
Besides tracking your steps, distance and calories burned, an activity tracker can even monitor your sleep at night and wake you in the morning with a gentle vibration. Wristband models offer a comfortable fit for 24/7 monitoring of activity and sleep (and they’re waterproof so you can even wear them in the shower). Some wristband models