FITBIT Tracker is a very popular tracker device in the past year. The reason for the success is a brand new and moderndesign. Every Product series is easy to use in all activities and can be used with I phone 5s application effectively. FITBIT Tracker is designed to be suitable for small to carry. Material used is rubber good quality, durable Suitable for all outdoor activities, such as sports and fitness. Charging via USB dock is available in only a half hour. Designed to accommodate the impact of heavy activity and water proof FITBIT Tracker product Currently available in 3 versions., Each version has different capabilities and different designs to suit your individual style forks. 1 Fitbit FLEX ™ WIRELESS ACTIVITY AND SLEEP WRISTBAND. This slim, trendy device is with you all the time. throughout the day, it tracks distance, running steps, and burned calories . At the n...