The adidas miCoach Speed_Cell lets you capture performance statistics on the field, on the court, in game or in training then you can upload and share your results wirelessly via mobile phone or computer. Key performance metrics are captured/measured every second in all 2-D directions. Easy to use. No wires, just you, your shoes and your Speed_Cell. On-board memory stores all measurements during your workout/game. Capture time, distance, speed, speed zones and number of sprints. TopSpeed, Burst Speed, Total Distance and gametime stats are collected so that you can prove who's best or fine tune your performance. After your game or practice, sync it to your iPhone or computer and instantly see your data. Data leaves zero doubt who's best.