English 
Headset Yes
Headphone view Pluggable (gags)
Playback frequency 20-20000 Hz
Connection type Wired
Volume control Yes
Sensitivity 98 dB
Impedance 39 ohm
DESIGN
Mounting type Without fastening
Diaphragm diameter 9 mm
CONNECTION
Connector Mini-jack 3.5 mm
Connector shape L-shaped
OTHER FEATURES
Answer / end conversation Yes
Removable ear cushions Yes
Number of pairs of interchangeable ear cushions included four
COLOR
white Yes
the black Yes