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Wireless poker analyzer system earplug

World's smallest wireless marked cards earplug. Highly sensitive transmit even a whisper from 35 feet away, neatly housed in a strong skin-colored plastic box, has built in replaceable batteries. 

Why many poker players and magicians like to use this wireless marked cards earplug? That is because it has stable and strong transmission signal; users can receive the Texas game results clearly. Using with poker analyzer, poker scanning camera and barcode marked cards, you can make right decision in Omaha game, Texas Holdem, baccarat and other casino games, for you know pips and suits of each playing cards and the poker hands of every poker players.

One charge last for 7 hours usage time, and the working distance between poker analyzer is 10 meters.