Microphone
Microphone Dimension Ø6.0×2.7mm
Directivity Omnidirectional
Impedance =2.2kO
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 =2.2meters
Plug USB
Net weight ˜485g