QKZ DM7 Zinc Alloy In Ear Earphone (Original)

Specifications:

Type: Piston In-Ear Headphones

Technical Specification

1. Material: Metal CNC Zinc alloy

2. Weight: 20g

3. Speaker: 9 mm NdFeB speaker

4. Speaker Power: Rated input power: 3mW, Maximum input power: 5mW

5. Impedance: 32Ω±15%

6. Speaker Sensitivity: 120±2dB (at 1KHz 1mW)

7. Speaker Frequency Response: 8-22K Hz

8. Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa

9. Operation Temperature: -10 Celsius — +40 Celsius

Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone

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