XO EP20 ΑΚΟΥΣΤΙΚΑ HANDSFREE, 3.5mm ΛΕΥΚΟ

Type of earphone: in-earPlug diameter:  3.5mmSound principle: moving coilSpeaker diameter: 10(mm)Wire  length: 1.2mSpeaker impedance: 16 ΩSensitivity: 89±3dB/mw(dB)Speaker  power: 3MWFrequency response range: 20-20000hz (hz)