KENMAX 3.5mm Plug Throat Mic Microhone Covert Acoustic Tube Earpiece Headset for Smartphone Telephone Mobile Phone Specifically designed for you to keep away from phone radiation. Built-in push to talk button,make you easily answer the phone without even touching your phone. Since the microphone transmits directly from your throat, it is not sensitive to the background noise. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles. With the best-quality transparent acoustic tube that could hardly be detected by people around you, this is also ideal for surveillance purposes and security at airports, casinos, crowd control at conventions and concerts, and other working environment requiring discreet communications. This headset is for use with the almost phone with 3.5mm plug