GoodQbuy&reg; 3.5mm Plug Throat Mic Microphone Covert Acoustic Tube Earpiece Headset For iPhone 6 6PLUS 5S 4S Samsung Galaxy Note 5 4 3 2 II S6 S5 S4 S3 SIII S2 SII N7100 i9300 etc 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,except Nokia and Sony Xperia, as far as we know.