
Tom Tom Runner Cardio GPS Watch: The Tom Tom Runner Cardio GPS Watch is the easiest way to improve. This all new runner cardio watch has a built in heart rate monitor so you can get more out of every run. Built-in Heart Rate Monitor Get accurate heart rate information without the need for a separate chest strap. Train in your optimal Heart Rate Zone Select a zone to match your training goal & always know whether you need to speed up or slow down. See real-time running information See real-time running information at a glance. Track your distance, time, pace, speed & calories burnt as you run. HRM The built-in Heart Rate Monitor accurately measures your heart rate through a sensor that monitors changes in the blood flow in your wrist. This is done by shining light through the skin & detecting the changing light reflections. Heart rate zones are different & are related to your age. The watch estimates your heart rate zones in this way. If you would like to adjust your zones you can do this on Tom Tom My Sports. Durable, scratch-resistant, Super-Tough Display Bluetooth&174; Smart Connectivity Waterproof up to 50 meters (165 feet) / 5ATM Up-to 8 Hour Battery Life [GPS +heart rate mode] Desk Dock to charge & sync Multiple Comfort Cardio Strap Options to customise your watch Run with an ultra-slim, lightweight watch Navigate menus easily with One-Button control Get out on your run faster with Quick GPS Fix. Stay focused on your run with vibration alerts Train outside or indoors on a treadmill