KENMAX 3.5mm 1pin Acoustic Covert Air Tube Headset Earpiece Earphone with Throat MIC for Smartphone Mobile Phones This throat mic with 3.5mm standard plug, available for most mobiles, Sensitive throat vibration microphone - can pick up low voice Clear communication in even most noisy environment Transparent flexible acoustic tube This headset is for use with the almost phone with 3.5mm plug