ITEM NAME:Dual Ear Hook Headset Head Microphone for Shure Wireless 4pin Mini Plug ATM& Frequency response: 50Hz-20KHz Impedance: 680 Ohm Microphone size: Ø9.7 * 5.0 Sensitivity (sensitivity): - 42dB ± 1.5dB (0dB = 1Pa) Directivity: single-point, heart-type point Plug: 3.5mm Diameter: 2.0MM color weave wiring Cord length: about 1.2m.Microphone size: Ø9.7 5.0. Plug: 3.5mm. Directivity: single-point, heart-type point.
