Decided to get healthier and active? Get this smartband from Fitbit for the entire motivation you wish to have. By tracking your all day activity and giving you information to your heart rate and the collection of calories you burnt, the band makes maintaining a healthy way of life fun and interesting. Except for this, the band also monitors other aspects of your health like your sleep patterns and your breathing. Additional Main points: When fully charged, the battery can last for as much as 5 days, depending on usage. The FitBit app is required to make use of this device’s smart functions.