Specification:
Brand:Somic
Model: ST-80
Plug: 3.5mm plug ,plus free 6.3 mm adapter
Used for PC and notebook.
Driver Diameter: 50mm
Impedance: 32
Frequency Response: 20 Hz-20kHz
Sensitivity(S.P.L) 106dB
Cord length: 2.5 meters
Net weight: 350 g

Package includes:
1 pcs Somic ST-80
1 pcs free 6.3 mm adapter

Warning:
Adjust headphones to a proper volume. Too loud volume will damage your ears. For safety sake, please don't use the product when riding or driving.