Garmin Vivofit Fitness Band - Purple Bundle (Includes Heart Rate Monitor) Type: Fitness Band Color: Purple Features: Learns your activity level and assigns a personalized daily goal Displays steps, calories, distance; monitors sleep Pairs with heart rate monitor for fitness activities 1+ year battery life; water-resistant (50 meters) Save, plan and share progress at Garmin Connect Power Source: Two replaceable CR1632 coin cells Battery Life: More than 1 year