Koss Porta Pro

Type: wired; Cabling: bilateral; Cable length/radius: 1.36 ;m; Weight: 79 ;y; Design: overhead, open; Type emitters: dynamic; Nominal impedance: 60 ;Om; Frequency range: 15-25000 ;Hz; Sensitivity: 101 ;dB; The possibility of folding: +; Connectivity options: Plug 3.5 mm (mini-Jack) / gold plated / Plug 6.35 mm (Jack) / adapter / ; Cable type: round; ...

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Table of characteristics

Colorblack
Typewired
Cablingbilateral
Cable length/radius1.36 m
Weight79 y
Characteristics headphone 
Designoverhead, open
Type emittersdynamic
Nominal impedance60 Om
Frequency range15-25000 Hz
Sensitivity101 dB
The possibility of folding+
Connection 
Connectivity optionsPlug 3.5 mm (mini-Jack) / gold plated /
Plug 6.35 mm (Jack) / adapter /
Cable typeround