Good afternoon guys,
I've seen in the September KeyNote that there is a new function to measure a tennis serve speed. Is this something only available for series 7 ? If yes, why, as series 7 has no new sensors.
I've seen in the September KeyNote that there is a new function to measure a tennis serve speed. Is this something only available for series 7 ? If yes, why, as series 7 has no new sensors.