TICKR X is the ultimate workout tracker that captures both motion and intensity. Equipped with Bluetooth 4.0 and ANT+ dual-band technology. TICKR X pairs seamlessly with your smartphone and works with tons of apps like RunFit, 7 Minute Workout and more! Plus, its built-in memory gives you the freedom to train without a phone, capturing heart rate, calorie burn, and workout duration to sync with your phone later. No other heart rate training platform can compete with the TICKR X. Period.