Easy listening standard type.
A gold-plated plug that has low contact resistance and is resistant to aging.
Slide volume with volume control available at hand.
Inner ear type (one ear type) with volume.
 
Model : dynamic type
Driver : 9.2 mm
Output sound pressure level : 102 dB / mW
Reproduction frequency band : 20 ~ 20,000 Hz
Maximum input : 40 mW
Impedance : 16
Plug : 3.5 mm gold plated monaural mini
Code : 3.5 m