The M-Series is the newest range of heart rate monitors from Suunto. It’s designed to inspire an active lifestyle by motivating you to reach your personal fitness goals. A personal trainer on the wrist, it offers easy-to-follow exercise advice each morning: tells you when to workout, for how long, at what intensity, and lets you know if you need a rest. The M-series adjusts your workout program according to the exercise you actually do, and keeps the advice relevant so you make optimal use of your workout time.