Egmy Newest Fashion Educational lectures Headset Microphone Headset Amplifiers 3.5 Interface Directional microphone, set the microphone above two holes aligned with the mouth Package includes:1 x Educational lectures Headset Microphone Headset Amplifiers 3.5 Interface Color:As Picture Show Microphone and lip optimal distance 2 cm For guided tours, lectures and other teachers 3.5 Interface Educational lectures Headset Microphone Headset Amplifiers 3.5 Interface