Speaker Unit: Φ40 mm
Impedance: 16 ± 20% Ω 
Sensitivity: 102 dB ± 3 dB
Frequency Response: 20 Hz - 20 KHz

MIC.
Mic. Frequency Response: 75-16,000 Hz
Mic. Sensitivity: - 45 dB

CABLE
Cable Material: 48-Core Copper Cable
Main Cable Plug Type: 3.5 mm Plug (Audio/Mic)
Main Cable Length: 130 CM
LED USB Cable Length: 100 CM
3.5 mm PC Adaptor Cable Length: 100 CM