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

1. Material: metal 2. The 8mm moving coil unit has excellent low-mid and low-frequency output characteristics, and the bass is full and powerful 3. Capacitor frequency division technology makes the sound connection between the moving coil unit and the moving iron unit smoother 4. The aluminum alloy metal earphone shell is made with full CNC technology and fine carving 5. Humanized pluggable design, can expand and upgrade Bluetooth headset 6. Oxygen-free copper wire, resistant to pulling, tortuous, and corrosion resistant 7. Ergonomic design, comfortable to wear 8. Impedance: 18 ohms 9. Sensitivity: 101db 10. Plug type: 3.5mm 11. Pin type: 0.75mm 12. Frequency response range: 7-40000Hz 13. Cable length: 1.2m+/-5cm