Wired Headset with Mic, Speaker's diameter 40mm,
Volume Regulator

Basic Parameters
Ear: overhead;
Play Rate: 20 - 20000 Hz;
Impedance: 32 Ohm;
Sensitivity: 100 dB;
Weight: 150 g;
Microphone
Mounting the microphone: mobile;
Microphone Sensitivity: -55 DB;
Construction
Type of fixing: Headband;
Diameter membrane: 40 mm;
Cable Connection: unilateral;
Connection
Type of connection: with wire;
Jack: mini jack 3.5 mm;
Cable length: 2.4 m;
Features
Volume control: Yes;
Additional information: volume control on the wire