Headset Nakamichi (NK780M) Blue

Stereo headphones closed with a headset from the world-famous company Nakamichi. 

Type: Headphone closed with a headset 
Frequency response: 20 Hz - 20 kHz 
Sensitivity (1 W at 1 m): 95 + 3 dB 
Impedance: 32 Ohm + - 15% 
Speakers: 2 x 40 mm 
3.5 mm jack 
Microphone 
4,0h1,5mm size 
Sensitivity -53 dB ± 2 dB 
Frequency 75-16,000 Hz 
Cable length: 1.5 m 
Blue color