Make fitness a lifestyle with Flex™. Fitbit activity trackers motivates you to stay active, live better, and reach your goals. Track daily activity, calories burned, sleep & weight. Upload wirelessly & see progress on mobile and online dashboard. Join people around the world in getting fit, one milestone at a time. FLEX™ WIRELESS ACTIVITY & SLEEP WRISTBAND This slim, stylish device is with you all the time. During the day, it tracks steps, distance, and calories burned. At night, it tracks your sleep quality and wakes you silently in the morning. Just check out the lights to see how you stack up against your personal goal. It’s the motivation you need to get out and be more active. Helps you get your ZZZs Flex never sleeps, even when you do. Continue to wear it all night and it’ll measure your sleep quality. Your dashboard will reveal how long you slept and the number of times you woke up to help you learn how to sleep more soundly. Flex also has a silent wake alarm that gently vibrates to wake you at your desired time, without disturbing your partner. Sync your stats. See your progress Flex automatically syncs your data to PCs, Macs, iPhone 4S & 5, iPad 3, Retina & mini, iPod touch, and to select Android phones without plugging in or pushing buttons. This gives you real-time access to your stats on the Fitbit dashboard throughout the day. Also with select NFC-enabled Android devices, you can tap your device to launch your Fitbit stats. It's like magic. Discover your trends Flex comes with free online tools and a mobile app that allow you to set goals and follow your progress through awesome graphs and charts. Log food, workouts and much more and get the inside scoop on your health. Knowing how close you are to reaching your goals gives you the motivation to reach them and aim higher. Paints a picture of your health Fitbit is full of graphs, charts, and tools designed to help you track your progress and understand your health and fitness. The customizable dashboard and mobile app (both free) bring all that digestible data to your fingertips. Knowing how close you are to reaching your goals gives you added incentive to achieve them, sleep better, and aim higher. Which one is for you? Flex, One, Zip Tracks steps, distance, calories burned and active minutes. LED lights show progress against your goal. Monitors your sleep and wakes you with a silent alarm. Wear all day and night, even in the shower. Includes tracker, small and large wristbands (sizing guide), charging cable and wireless sync dongle. Tracks steps, distance, calories burned and floors climbed. Monitors your sleep and wakes you with silent alarm. Wirelessly syncs to computers and select smartphones. Sweat, rain, and splash proof. Includes clip, wireless sync dongle, charging cable and sleep band. Tracks steps, distance and calories burned. Wirelessly syncs to computers and select smartphones. Replaceable battery, lasts 4-6-months. Sweat, rain, and splash-proof. Includes clip, wireless sync dongle, battery tool and battery. Available in Black and Slate