HT4017 single directional microphone head noise cancelling microphone core

Model: HT-4017UL44 Unidirectional Mic Head
Type: Electret microphone (microphone head)
Directional: Unidirectional microphone head
Sensitivity:- 33±2dB
Signal to noise ratio: 67dB
Output impedance: 2.2K Ω (ohms)
Specification size: 4.0 * 1.7 (mm)
Frequency response: 50-20000HZ
Current consumption: 500 (Max) μ A
Maximum sound pressure level: 115 dB