TomTom Runner Cardio Green/White : Track your indoor and outdoor running performances with the TomTom Runner Cardio Heart Rate Monitor. See your real-time running information at a glance on the large, easy-to-read display. And without the need of a bulky and sometimes uncomfortable chest strap, the built-in heart rate monitor will provide an accurate reading. This innovative system uses a bright light that shines through your skin and detects changing light reflections. Everyone from newcomers to seasoned athletes will love the revolutionary technology and sporty look of this watch. Get the most out of your TomTom watch by easily uploading your activities on popular running sites to track your progress against your goals. Use the MYSPORTS website and mobile app to set up training sessions, see your activities on a map, manage multiple activities and receive progress updates. Running Information: See laps and interval training on an extra-large display. Train in one of 5 intensity zones (Sprint, Speed, Endure, Fat Burn or Easy), depending on goals. Full screen graphics help you stay in your optimal heart rate zone, race past performances and achieve distance, time, pace and calorie goals. Specifications: Measures pace/speed, distance/calories and heart rate. Supported languages include English, Spanish, German, French and Italian. Features beep and vibrate alerts. Water resistant up to 50 meters. Bluetooth® Smart. Battery lifetime up to 8 hours with GPS and heart rate, up to 10 hours without. Location from GPS + GLONASS and boost from QuickGPSFix. Comes with the TomTom Runner Cardio, Desk Dock and User Guide.