Specification
Speaker
Speaker Size	10mm
Frequency Range	20Hz~20KHz
Sensitivity	98dB+/-3%
Impedance	16Ω
Cable Length	1.25m (4ft.) +/-3%
Jack	3.5mm 4-Pole
Microphone
Impedance	2.2Ω
Sensitivity	-48dB~-2dB
Microphone Size	4 x 2.7mm