KZ-ZEX PRO 1.2m Electrostatic Coil Iron Hybrid In-Ear Headphones, Style:With Microphone(Pearl Chrome)

1. Wire: silver-plated double parallel wire. 2. Frequency response range: 20-40000KHZ 3. Plug Type: 3.5mm 4. Pin type: 0.75mm 5. Sensitivity: 104dB 6. Ergonomic design, comfortable and stable to wear. 7. Low voltage electrostatic unit, double magnetic moving coil unit, high frequency moving iron unit.