Standards:
HEADPHONES
Type: Stereo 2.0
Guide diameter: 50mm
Resistance: 32 Ohm-a +/- 15%
Frequency response: 20Hz – 20kHz
Sensitivity (SPL): 105dB +/- 3dB
MICROPHONE:
Microphone dimensions: 6 x 5mm
Sensitivity: -42dB +/- 3dB
Directionality: Omnidirectional
Resistance: <= 2.2kOhm-a
Connectors: 2 x 3.5mm for audio + USB for lighting power.
Cable length: 2.2m