Runtastic Heart Rate Monitor Whether you want to lose weight or train for a marathon, knowing your heart rate during your workout and keeping it in the right heart rate zone will help you reach your fitness goals faster. Track your heart rate and stay in your heart rate zones when you pair the Runtastic Bluetooth Smart Combo Heart Rate Monitor with the Runtastic Smartphone Apps (Runtastic, Runtastic Road Bike, Runtastic Mountain Bike) or with cardio equipment. The transmitter uses low energy Bluetooth Smart or Bluetooth Smart Ready technology. It also can send your heart rate to cardio equipment. Its adjustable cloth strap is comfortable, will not roll and bind, and is hand-washable. Heart Rate Information in Runtastic Apps                    Heart Rate Information on Runtastic.com Heart Rate Zones Mapped Routes Stats and Charts