QKZ VK1 Earphones with 4DD Dynamic Speaker
QKZ VK1 ইয়ারফোন উইথ 4DD Dynamic Speaker
Brand QKZ
Model Vk1
Cable length 1.2m
Material Pc
Weight 20g
Speaker 9 mm NdFeB speaker
Speaker Power Rated input power: 3mW, Maximum input power: 5mW
Impedance 30Ω±15%
Speaker Sensitivity 108±2dB (at 1KHz 1mW)
Speaker Frequency Response 7-40K Hz
Microphone Sensitivity -42dB±3dB1kHz, 3V 0dB=1V/pa
Operation Temperature -10 Celsius — +40 Celsius
Function Play / Pause, Answer / Off, Noise Cancelling, Microphone
Package weight Approx. 30g / 1.1oz