Keep track of your activity, sleep, and heart rate with the UP3 by Jawbone. This wireless tracker is perfect for running and jogging, with a battery life of up to 7 days. Its sleek black design makes it perfect for any sport or activity, and its nylon material ensures durability. With its measurement provided for heart rate, you can monitor your health and progress without any hassle. The Jawbone UP3 also features wireless connectivity and comes with a manufacturer warranty. Get the most out of your workouts with this activity tracker, perfect for fitness, running, and yoga enthusiasts.