Introducing the Whoop 4.0, the ultimate activity tracker for runners and joggers. This device is designed to help you achieve your fitness goals by providing real-time data on your physical activity. With its sleek design and advanced features, the Whoop 4.0 is the perfect companion for your workouts.

Whether you're a beginner or an experienced runner, the Whoop 4.0 has something to offer. Its durable construction and comfortable fit make it easy to wear during your workouts, while its activity tracking capabilities allow you to monitor your progress in real-time. From running to jogging, this device is the perfect tool for anyone looking to stay active and achieve their fitness goals.

Used for a short period of time. Works great. Band and charger included.