Track your running stats on the streets and trails, with the Polar M400. Sporty design with advanced GPS and training features, along with loads of options to keep an eye on your activity.*Track pace, distance and altitude with the built-in GPS*Follow your 24/7 activity, calories and steps*Plan, sync and share your training with Polar Flow mobile app and web service*Set targets to beat your personal best*Find your way back home with Back to StartSmart Coaching Features:*Fitness Test: Tells you exactly how your fitness is developing.*Running Index: Illustrates how your running performance is developing.*Training Benefit: Motivating feedback straight after exercise.*Smart Calories: Lets you know exactly how many calories you"ve burned.*Activity Guide: Helps you stay active all day long.*Activity Benefit: Gives feedback about your daily, weekly and monthly activity.