3.5mm Plug Headset Microphone Head-mounted Speech Headset Mic
Suitable for lecture, teaching, speech, etc. Mic Size: 9.7 X 5 mm. Flexible mic, adjust to your ideal angle. Wire Length: approx. 1 m/3.28 ft. 3.5mm Plug. Clear sound recording. Frequency Range: 60Hz-15KHz.