Ear hook

KH09H2

Speaker
OD:Φ15mm
Resistance:64Ohm±15％ at 1000Hz
Sound Pressure Level:89dB±3dB at 1000Hz
Rated Power:100mW
Max Power:20mW

Microphone
Type:Electret microphone
Sensitivity:-40dB±3dB at 1000Hz (0dB=1V/Pa)
Resistance:2.2KOhm