QKZ DM7 Zinc Alloy Earphone
QKZ DM7 জিঙ্ক অ্যালয় ইয়ারফোন
Type: Piston In-Ear Headphones
Material: Metal CNC Zinc allow.
Speaker: 9 mm NdFeB speaker.
Speaker Power: Rated input power: 3mW,
Maximum input power: 5mW
Impedance: 32Ω±15%
Speaker Sensitivity: 120±2dB (at 1KHz 1mW)
Speaker Frequency Response: 8-22K Hz
Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa
Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone
