Sell [cinglen]Collar Clip Headset Microphone Teacher Guide Interview Performance Speech Headset best price

"Features: 1. For teaching, waist machine, V-band wireless microphone, U-band wireless microphone and computer microphone. 2. This microphone can be directly be plugged in the microphone interface of amplifier, laptop. 3. Recording is clear; small size, light weight, easy to carry. Technical Specifications: 1. Connection plug: about 3.5mm/0.14in 2. Microphone size (approx.): Φ6.0*5.0mm/0.24*0.2in 3. Sensitivity: -52dB ± 2dB 4. Directionality: Omnidirectional 5. Impedance: ≤ 680Ω 6. Working voltage: 2.0V 7. Frequency range: 100-16kHz 8. Signal to noise ratio: ﹥ 60dB 9. Line length: about 120cm/47.24in 10. Plug diameter: about 3.5mm/0.14in About 100CM/39.37IN braided wire List: 1*microphone 1*metal clip 1*sponge windscreen"