ORIGINAL QKZ DM4 HEADPHONES IN LAHORE

Original QKZ DM4 Headphones With Mic In-Ear Earbud Earphone Piston Headset Basic Version Stereo Headset For Smartphones Earphone QKZ DM4 HiFi Ear Phone Metallic Earbuds Stereo BASS Metal in-Ear Earphone Noise Cancelling Headsets DJ In Ear Earphones 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: 16Ω±15% 6. Speaker Sensitivity: 100±3dB (at 1KHz 1mW) 7. Speaker Frequency Response: 20-22K 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