Description <br> Sensitivity:-32dB±3dB (0dB=1Pa) <br> Directionality: Omnidirectional microphone core <br> Plug: Computer USB plug <br> Microphone tube diameter: 4.0mm outer diameter <br> Applicable: Any computer with USB jack can be used (such as desktop computers, laptops, bank teller POS machines) <br> <br> Model:ZJ002MR <br> Frequency response:20Hz-16KHz <br> Impedance:2.2KΩ <br> Signal-to-noise ratio:greater than equal 58DB <br> Current consumption:Less than 500uA <br> Microphone core size:9.7x6.7mm <br> Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. <br> Colour:Black <br> Material:Plastic <br> <br> Package Contents: <br> 1 * USB Microphone <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>