HEART RATE MONITOR AND CHEST STRAP Heart rate monitor Heart rate transmitter ID #0572365 Adjustable elastic belt CR2032 battery – already installed User manual Connections Bluetooth Smart ANT+ 5.3KHz IOS devices IOS8.0 or higher Android devices Android 4.3 or higher Garmin Forerunner 110 Non-coded 5.3KHz watch Also works with Runtastic Pro, Strava, Sports Tracker, Endomondo, Wahoo Fitness, Under Armour-Record apps Records heart rate every 2 seconds Total of 13 hours memory for heart rate storage Pre-owned – Like New Excellent Condition THANK YOU FOR VIEWING MY POST