Langsdom Flat earphones(Black)

1. Ear shell speaker size: 13MM
2. Ear shell material: plastic
3. Plastic surface treatment: no
4. Sensitivity: 110 dB / volt
5. Microphone: small microphone
6. Is there a switching function: Yes, universal conversion
7. Whether to tune: no
8. Wire: TPE
9. Line length: 1.2M
10. Plug: 3.5mm silver needle