KZ AST 24-unit Balance Armature Monitor HiFi In-Ear Wired Earphone, No Mic, With Mic

1. Material: metal + plastic
2. 24 balanced armature units, covering mid, high and bass frequency analysis, restore sound details
3. Humanized pluggable design, can be upgraded to Bluetooth headset
4. Zinc alloy shell, strong and wear-resistant
5. 200-core transparent silver-plated wire to reduce distortion
6. Ergonomic design, comfortable to wear
7. Frequency response range: 10-40000Hz
8. Impedance: 30 ohms
9. Sensitivity: 103dB
10. Plug type: 3.5mm
11. Pin type: 0.75mm
12. Cable length: 1.2m+/-3cm