TRACK PERFORMANCE – measure over 100 data points per second using the 'Stat Caps' that slip right inside the shin guards. Simply sync with your smartphone and receive easy to understand stats about speed, acceleration, stamina, power and balance. HELP YOURSELF AND TEAM MATES – Compete against yourself to see how your soccer training and match performances are improving. Then see how you compare with other players from around the world using the Global Leaderboard. It's all about helping you and your team mates improve your game. UNIVERSAL FIT – Suitable for players age 6+ and of all abilities. Each Smart Shin Guard is 7in high x 3.3in wide, made from lightweight, premium materials and has been designed with comfort in mind. Complies with all safety standards. NO SUBSCRIPTION FEE – simply download the FREE mobile app to a smartphone and enjoy FREE analytics with no subscription required. TRAINING AND MATCHES – use the soccer shin guards in soccer training or games. Suitable for indoor and outdoor use. Water-resistant for use in all weather conditions. Open up a world of fun with the FLICK Smart Soccer Tracker With Shin Guards. State-of-the-art wearable tracker allows you to measure training and match stats, unlock new levels, and compete against other players using the global leaderboard. Analyze speed, acceleration, balance, power and stamina. Universal size (7” high x 3.3” wide), lightweight, premium materials and ergonomic design provide comfortable fit whilst ensuring the safety of the player.