Microphone
Microphone Dimension Ø 6.0 × 2.7 mm
Directivity Omnidirectional
Impedance = 2.2 kO
Sensitivity -48±3dB (at 1KHz)
Speaker
Speaker Dimension Ø40mm
output pressure(S. P. L) 111±3dB (at 1KHz)
Impedance 32O
Frequency response 20Hz-20kHz
cord length = 2.2 meters
Plug USB
Net weight 485g