GS magnet earpiece for infrared poker
Magnet marking playing cards earpiece can match all the invisible ink marked cards analyzer. It no needs using battery or signal receiver.
The using secret of this magnet marked cards earpiece is magnetic field. After you put magnet earpiece into your ear, then turn on the electricity necklace, the place around it will generate a magnetic field, and once poker hand analyzer report game result or your partner inform you by poker walkie-talkie, this magnet will shake and therefore, you get your game result.
With this marking cards magnet earpiece, on one can getting the game result by using same frequency.