The Speedy Ball is an all-round ball that bounces well, is lightweight, and has good grip. It is compatible with the Playfinity Smart Activity Tracker. When the Playfinity Smart Activity Tracker is inside the ball, it can connect to your smartphone (iOS and Android), allowing you to start using the Active Gaming Apps. With the Smart Activity Meter inside the ball, it counts throws, measures speed, height, flight time, and tempo. You can choose from many different games and exercises for training and leisure. With the handball app, you can play various handball exercises. You can track your progress over multiple rounds to see how you improve. You can also play with up to 6 balls, all controlled from one phone, so multiple players can compete against each other for training or competitions. For this, it's best to get the Team Case. The SmartBall, combined with apps on your phone, enables countless cool and fun games that inspire activity. The console measures throwing, catching, bouncing, kicking, flight time, height, speed, etc., and can be used for many different sports and games. The orange Speedy Ball is a great all-round ball that bounces well, is lightweight, and provides good grip. Earn points for your best performances and compete with friends or globally. The Playfinity Smart Activity Tracker is designed for rugged outdoor use, even in the rain. However, it is not intended for use in water, such as in a pool or the sea. With this product, you receive the SmartBall Speedy with an integrated Activity Tracker and can get started right away. Thus, it is the perfect entry-level model.