The TICKR FIT heart rate armband uses optical heart rate technology to provide accurate heart rate and calorie burn data in the most comfortable form factor yet!
Features
Dual Band: Bluetooth and ANT+ technology seamlessly pairs with fitness apps, smartphones, and GPS bike computers / watches
Measures: heart rate, calorie burn, and workout duration in real-time
LED display light on sensor for quick connection indication
Comes with 2 adjustable forearm band that is designed for your most grueling workouts (Small 10"x1", Large 15"x1")