The Wahoo TICKR X is the ultimate workout wearable for athletes. The TICKR X connects to your smartphone via Bluetooth 4.0 technology to provide a full understanding of how your body responds to your workout. Track motion, heart rate and calories burned right on your smartphone and analyze the data after through the Wahoo App. The X also contains ANT+ technology to connect to enabled bike computers and sport watches (heart rate and calories burned data only via ANT+).