Bortivier 3.5mm Adjustable Throat Mic Earphone Microphone Covert Acoustic Tube Earpiece Headset With Finger PTT for Android Mobile Phone

With the best-quality transparent acoustic tube that could hardly be detected by people around you, this is also Perfect for surveillance purposes and security at airports, casinos, crowd control at conventions and concerts, and other working environment requiring discreet communications. It transmits sound by your throat vibration rather than microphone. Effectively avoid environmental noise and make the call clearer. This is exceptionally Perfect for usage in high ambient environment such as driving, riding motorcycles and bicycles. Compatible with all 3.5mm jack enabled devices, such as cell phone, smart phone, laptop, computer, gaming. (for / 5 / 5c / 5s / 6 / 6 Plus, for / mini / air 2 / 4, for Galaxy S4 / S5, Note 2 / 3 / 4, M3,for , for , for , etc. ) Excellent for use in police, , nightclubs, bars, , security, restaurants, hotels, bouncer, warehouses, and noisy environments.