QKZ DM7 Zinc Alloy In-Ear Earphone - Gray - Headphone - Ear Phone - Best Earphone (Deep Gray)

Specifications: Type: Piston In-Ear Headphones 1. Material: Metal Zinc alloy 2. Speaker: 9 NdFeB speaker 3. Speaker Power: Rated input power: 3mW, input power: 5mW 4. Impedance: 32Ω±15% 5. Speaker Sensitivity: 120±2dB (at 1KHz 1mW) 6. Speaker Frequency Response: 8-22K Hz 7. Microphone Sensitivity: -42dB±3dB1kHz, 3V 0dB=1V/pa 8. Operation Temperature: -10 Celsius --- +40 Celsius Function: Play / Pause, Answer / Off, Noise Cancelling, Microphone

• Earphones Earbuds - Specifications: Type: Piston In-Ear Headphones
• Type A: With Mic
• Type B: Without Mic
•  Material: Metal Zinc alloy
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