The TICKR X is the ultimate heart rate monitor, capturing both motion and intensity to give you the most effective workout. It tracks heart rate, calorie burn, rep counting with Wahoo's RunFit or 7 Minute Workout apps and PEAR+ Sports, running analytics and more! It even has built-in memory for heart rate and calorie data, giving you the freedom to train without a phone. Equipped with Bluetooth and ANT+ dual-band technology, it connects to most smartphones, GPS watches and bike computers. TICKR X is compatible with most popular fitness apps, making it an incredibly versatile workout tracker for all of your activities. No other heart rate training platform can compete with the TICKR X.