Catapult Playertek
Tech specs 
TypeThis wearable GPS tracker monitors your movement and measures your physical performance during training and games with distance covered, top speed, sprint distance and number of sprints.
RechargeableYes. Takes about 1.5 hours to charge.
Battery lifeOver 6 hours of battery life.
DisplayNo
SensorsAccelerometer, GPS, magnetometer
Other8GB of on-board storage, which can hold up to 1,250 hours of football data
Metrics 
TracksDistance covered, top speed, sprint distance and number of sprints.
Real time feedbackYes
OtherThe software shows heat maps based on GPS data so you can see how your positioning changed throughout the game. Full match data is broken down into two halves so you can see whether you need to work on your fitness. The app will also compare your performance to match outputs of Premier League players, so you can see how you stack-up against the game’s best.
Links 
View onCatapult
Amazon US rating
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