Feature: 1. This is a portable headset microphone with a 3.5mm male screw thread plug and wind . 2. It is widely by teachers guides conference lecturers and so on. 3. Professional voice pickup condenser microphone can record 360 degrees in all directions. 4. Dustproof sweatproof mainly designed professionals use indoor and outdoor. 5. Suitable use churches lecturers and other applications require minimal microphone visibility with manual manipulation. Specification: Condition: 100% Item Type: Microphone Material: Metal+ABS Color: As Pictures Shown Weight: Approx. 77g/2.7oz Polarity Mode: Omnidirectional Frequency: 50hz-16 Khz Sensitivity :-60 Db / -3db Impedance: 1 500 Ohms /-30% at 1 Khz Operating Voltage: 1v-10v DC with Voice Amplifiers Especially Suitable Stage Performance Performance Dancing Singing Teaching Package List: 1 x Microphone