KZ ZS4 Ring Iron Hybrid Drive In-ear Wired Earphone, Standard Version(Black)

1. Material: plastic2. The use of liquid crystal molecular polymer diaphragm, 8mm moving coil unit, with higher explosive power than conventional bass, low frequency more flexible3. Ergonomic design, comfortable to wear4. High-purity oxygen-free copper silver-plated wire effectively reduces distortion5. Frequency response range: 7-40000Hz6. Impedance: 18 ohms7. Sensitivity: 101db8. Plug type: 3.5mm9. Pin type: 0.75mm10. Cable length: 120+/-5cm11. Sounding principle: ring-iron mixing (1DD+1BA)