The Fitbit Ace Activity Tracker for Kids in Electric Blue Stainless Steel is a sleek and durable device that helps children track their fitness goals. With a display resolution of 240 x 240 and the ability to measure time and distance in both decimal and imperial units, this activity tracker is perfect for young users who are just starting out on their fitness journey. The device has a battery life of up to 5 days and offers features such as Bluetooth connectivity, an alarm, and a clock. It is designed for use on the wrist or hand and is suitable for a variety of activities, including running and jogging. The Fitbit Ace is a great choice for kids who want to stay active and healthy.