Syncro - Pro Stopwatch by Magic Pro Ideas - TrickSYNCRO PRO STOPWATCH ON BORROWED PHONES Syncro is a magic Stopwatch that you can use on your phone or even better, on the spectator's phones very easily. Just by using an NFC tag (INCLUDED!) that you can palm, or also, by entering a small URL in front of the noses of your spectators! With Syncro, you can force, predict or guess any time, even the milliseconds! laps and more! The spectator will make times, stopping whenever he wants, and you will be