Size Conversion: Inches, Centimeters.
Product desciption:
Speaker diameter: 27mm;
Microphone size: 65mm/58+(-)2dB;
Impedance: 32 ohm;
Sensitivity: 102dB 1KHZ;
Frequency response: 20HZ--20000HZ;
Input power: 100mW;
Wire length: 1M
Product Attributes:
Weight (lbs.): 0.18 lb