QKZ DM8 Earphones sport headset
QKZ DM8 স্পোর্টস ইয়ারফোন
Type: Piston In-Ear Earphone
Technical Specification
Material: PC Mini Dual Driver
Weight: 20g
Speaker: 7 mm NdFeB speaker Mini Dual Driver
Speaker Power: Rated input power: 3mW, Maximum input power: 5mW
Impedance:16Ω±15% Speaker Sensitivity: 101±3dB (at 1KHz 1mW)
Speaker Frequency Response: 20-22K Hz
Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa
Operation Temperature: -10 Celsius --- +40 Celsius
Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone
