specifications:
- Horn Unit: 40mm
- Horn Impedance: 16±15%
- Speaker Frequency Response: 20Hz~20KHz
- Rated Input: 5V === 124mA
- Rated Power: 0.62W
- Microphone Sensitivity: -41±3dB
- Microphone Signal-to-Noise Ratio: ≥58dB
- Microphone Frequency Response: 100Hz-10KHz
- Wire Length: ≥1.8M