Description:The air tube headset throat mic can be used in noisy environment. Great sound insulation performance and less susceptible to external environmental, it will transmit sound in high quality. It has radiation protection as well. Transparent acoustic tube would be hardly noticed by others around you and plastic ear bud will fit snugly to your ear canal. You can adjust the headset for perfect fit and stably wear it around your neck with comfort.Specifications:Color: BlackMaterial: PUMicrophone Wire Length: About 100cm / 3.28ftHeadset Wire Length: About 150cm / 4.92ftAudio Port Diameter: 3.5mmSuitable: for iPhone / Samsung and MorePackage Weight: About 63gPackage List:1 * Throat Mic Air Tube Headset1 * Replacement Ear Bud(Other items in the pictures are not included.)