QKZ DM4 In Ear dynamic earphone
QKZ DM4 In Ear ডায়নামিক ইয়ারফোন
ম্যাটেরিয়াল: মেটাল CNC জিঙ্ক অ্যালয়
Impedance: 16Ω±15%.
Speaker: 9 mm NdFeB speaker
Speaker Power: Rated input power: 3mW, Maximum input power: 5mW
Speaker Sensitivity: 100±3dB (at 1KHz 1mW)
Speaker Power: Rated input power: 3mW, Maximum input power: 5mW .
Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa
Operation Temperature: -10 Celsius --- +40 Celsius)
Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone
