Mio Alpha Heart Rate Monitor Sports Watch NONE Imported Performance sports watch with continuous, precision heart rate monitoring No chest strap required! Suitable for running, cycling, and other intense workouts Connects to Bluetooth Smart (4.0) devices Battery life of 20+ hours of heart rate monitoring, and several months in watch mode For Mio product support, please contact 1-877-770-1116 (MonFri: 9am to 5pm PST). Performance sports watch with continuous, precision heart rate monitoring No chest strap required! Suitable for running, cycling, and other intense workouts Connects to Bluetooth Smart (4.0) devices Battery life of 20+ hours of heart rate monitoring, and several months in watch mode