QKZ DM7 Zink Alloy 3.5mm In-Ear Wired Earphone

DescriptionMaterial: Metal CNC Zinc alloySpeaker: 9 mm NdFeB speakerSpeaker Power: Rated input power: 3mW, Maximum input power: 5mWImpedance: 32Ω±15%Speaker Sensitivity: 120±2dB (at 1KHz 1mW)Speaker Frequency Response: 8-22K HzMicrophone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/paOperation Temperature: -10 Celsius — 40 CelsiusFunction: Play / Pause, Answer / Off, Noise Cancelling, Microphone