KZ ZSN Pro Ring Iron Hybrid Drive Metal In-ear Wired Earphone, Standard Version(Blue)

1. Material: metal + plastic2. Ergonomic design, comfortable to wear3. The 10mm moving coil unit has the characteristics of full vocals and mellow low frequency4. Precise internal acoustic structure and fine circuit optimization to realize reasonable frequency division of low, medium and high frequency, enhance the separation of music and sense of hierarchy5. The 2 Pin interchangeable line design brings more room for expansion to the headset, and can be expanded to upgrade the Bluetooth headset6. Frequency response range: 7-40000Hz7. Cable length: 125+/-5cm8. Impedance: 24 ohms9. Sensitivity: 112db10. Plug type: 3.5mm11. Pin type: 0.75mm