Voice Amplifier for Phone Poker Analyzer

This item is seldom used in daily lives. It seems to have a strange shape but it's a necklace work to be a voice amplifier. It’s one of the latest style voice amplifier that can work well with our poker scanning system. You can just take it with you and hide it up so that others can not notice it easily.
The necklace of voice amplifier is full of use especially when the sound of earpiece isn’t loud enough. Usually the earpiece tells the player the results of the game after poker analyzer analyzes the info of marked cards. Without the necklace, usually the earpiece can work for 80cm away from the CPU analyzer. But when working with this necklace, the earpiece works well for as far as 200cm.