QKZ DM10 EARPHONE
Speaker: 9.2mm
Impedance: 32Ω ± 15%
Nominal input power: 3mW
Maximum input power: 5mW
Piston in-ear headphones
Function: Play / Pause, Answer / Off
Material: Metal Magnetic Earphone
Speaker Sensitivity: 120 ± 2dB (at 1 KHz 1mW)
Speaker Frequency Response: 20 -22K Hz
Operating Temperature: 10 Celsius + 40 Celsius
Microphone Sensitivity: 42dB ± 3dB1kHz, 3V 0dB = 1V / pa