Monitor your pulse during workouts with this iFit SmartBeat heart rate monitor. Optical PPG sensing technology syncs your readings to the iFit Coach app via Bluetooth, while the LiIon battery carries a 30-hour battery life for uninterrupted tracking. This iFit SmartBeat heart rate monitor features a nonslip armband that fits comfortably over the forearm or upper arm. Adjustable nonslip band Fits comfortably over the forearm or upper arm. Optical PPG heart rate sensing technology Provides fast and accurate monitoring of your pulse during workouts. Bluetooth connectivity Offers seamless pairing with the iFit Coach app and equipment. LED power button Ensures ease of use with your device. Rechargeable battery Lasts up to 30 hours on a single charge for long-lasting use.