Earpiece (earphone) is the output device in the poker analyzer system. You should know the result through an earpiece. The earpiece is wear into your ear deeply, no body can see it. There is wireless receiver fixed into it. When the analyzer sends a signal, the earpiece will receive it, and change the signal into sound that you can hear.
A quality earpiece : distance: 0.6 m from analyzer
Battery : Sony 337 button battery
Battery life : over 8 hrs
A quality earpiece : 1 pcs
Earpiece is helpful for you to hear the result from the analyzer, choose a good quality earpiece will help you to hear the result clearly without miss-hearing.