1. Earshell speaker size: 14.2MM
2. Ear shell material: metal magnetic absorption
3. Plastic surface treatment: metal oxidation
4. Sensitivity: 115 decibels/volt
5. It has microphone, switching and tuning functions.
6. Wire: TPE
7. Line length: 1.2M
8. Plug: Type-c
Note: not suitable for Samsung mobile phones