Normally the all kinds of poker analyzer device can speak the winner result by itself. But during the poker game, if the poker odd calculator speaks the winning hands loudly, it will be found by other poker players. Which means when you heard who got the best hand, so does the rest of the people in the poker room.
Does any device can solve this awkward problem for you? The mini hidden spy earphone can do it for you. As it is small enough that can put it inside your ear, which is also invisible for other people. It is a perfect way to receive the voice signal from the poker analyzer secretly.
Mini Wireless Earphone Receives Signal Through Inductive Coil.
About electromagnetic fields
Reception distance: 50-70 cm
Audio bandwidth: from 300 Hz to 4 kHz
Standard Zinc Air Battery: Sony 337
Battery life: approx. 5-8 hours
Working frequency: all frequencies
Distance between inductive coil and mini wireless earphones: approx. 70-100 cm
1. The volume is small, weight is very light with skin color, it is very easy to conceal.
2. Comfortable for wearing with an optimal anatomical design
3. Wide signal receiving range, which can reach 80 cm.