Original QKZ DM9 Zinc Alloy HiFi Metal In Ear Earphones - Black
QKZ DM9 জিংক অ্যালয় মেটাই ইয়ারফোন - ব্ল্যাক
Material: Zinc Alloy Metal CNC
Speaker: 9.2mm NdFeB speaker
Speaker Power: Input power Rated: 3 mW, maximum input power: 5 mW
Impedance: 16Ω ± 15%
Speaker Sensitivity: 94 ± 2dB (at 1 KHz 1 mW)
Speaker Frequency Response: 20-22 KHz
Microphone Sensitivity: -42dB ± 3dB1kHz, 3V 0dB = 1V / pa
Operating Temperature: -10 --- + 40 Celsius Celsius
function: Play / Pause, Answer / Power Off, Noise Canceling, Microphone
