The Genuine Fitbit Flex is an activity tracker designed to monitor your steps and movements throughout the day, helping you track your fitness goals more effectively. With a battery life of up to 5 days and the ability to operate on various platforms like Windows, iOS, and Android, this device offers convenience and accuracy in tracking your workouts. The included bands and charger ensure that you can use your Fitbit Flex for an extended period of time, making it a reliable tool for fitness enthusiasts looking to improve their lifestyle and health. You'll just need to download the Fitbit App and pair it to your phone with Bluetooth. It will be charged. You will receive the items in the photos. If you have any other questions or would like to change shipping feel free to ask!