QKZ VK4 In-Ear Subwoofer HiFi Wire-controlled Earphone with Mic

1. Product Type: In-Ear Headphones
2. Plug: 3.5mm
3. Impedance: 16Ohm
4. Sensitivity: 105dB
5. Frequency response range: 20Hz-40KHz
6. Horn diameter: 11mm
7. Cable length: 1.2m
8. Headphone cable material: TPE
9. Weight: 20g