Two way covert communication via mobile phone networks. Optimized inductive coil creates strong power for earpiece. If you are a host of the show you are in the center of everybody's attention. You can make no mistakes, the mini earpiece and your team will help you out. If you are a politician you look confident in front of your audience as you don't have to sight-read your speech anymore. Your assistant will make sure you remember all your arguments. Note:- (BUYER WILL BE RESPONSIBLE FOR ANY ILLEGAL USE OF ANY SPY GADGETS, MISUSING THESE DEVICE IS PUNISHABLE OFFENCE). Useful to communication for security -law enforcement -detectives-news readers.