GPS Sport Watch and Bluetooth Music Player: Included Bluetooth headphones have contoured ear hooks, are sweat and weatherproof, last for up to 4 hours, and pair with your Spark and phone simultaneously.</br>Multisport Mode: Track all your activities including runs, bikes, swims, treadmill runs, gym workouts, indoor cycling, and more. Waterproof up to 40m.</br>Running Watch and Activity Tracker: Measures time, distance, speed, pace, calories burned, heart rate and live stats on the go</br>GPS Watch with Advanced Features: Spark 3 is a 24/7 fitness tracker with heart rate that keeps you motivated. Activate audio feedback on your performance as you workout to see how you're doing. Set up custom walk-run interval sessions or a goal for your workout session.</br>Heart Rate Monitor: No chest strap needed with a built-in heart rate monitor, which allows you to easily see your heart rate at all times throughout the day or while working out.</br></br>Product Description</br></br>A GPS Fitness Watch with storage for up to 500 songs gives you all the musical motivation you need while working out. Listen wirelessly to your inspirational playlists with the included Bluetooth headphones. See real-time metrics like pace, distance, heart rate and speed at a glance to your wrist. Track your heart rate with a built-in 24/7 heart rate monitor. You can safely explore new trails with route exploration that will help you get back to the start. 24/7 Activity tracking and multisport functionality means you can capture every active minute of your day. Sprints, strolls, bikes, stairs, steps, swims. Every minute counts. See distance, calories burned, and steps throughout the day. Battery life is up to 3 weeks in non-GPS mode and up to 5 hours with GPS on, music, and heart rate on.</br><br/>http://www.amazon.com/gp/product/B01HZPJW3I