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Features:Driver unit: Φ30mm
Speaker impedance: 32 ohms±15%
Speaker sensitivity: 97dB±3dB
Speaker frequency response: 20-20,000Hz
Maximum power input: 30mW
Microphone operating voltage: 4.5V
Microphone impedance: 2.2kΩ
Microphone sensitivity: -58dB±2dB
Microphone frequency response: 30-16,000Hz
Cord length: 2.2 meters
