Spesification:

Microphone: 6.0*5.0mm

Sensitivity mic : -58dB 3 dB

Speaker Dimensions: 40mm

Frequency: 20Hz–20kHz

Current consumption: 2.0V

Sensitivity (s.p.l) : 98dB 3 dB

Impedance: 2.2 K ohm 15%

Cord Length : 2 M

Plug (connector) to pc : 2 x 3.5mm stereo (mic &amp speaker)

Weight 1000 g