1. Ear shell speaker size: 10mm
2. Ear shell material: metal oxidation
3. Treatment of plastic surfaces: oxidation of metals.
4. Speaker: 6u copper ring
5. Microphone: yes
6. Whether it can go up and down: yes
7. Whether to tune: yes
8. Wire: TPE braided wire
9.Line length: 1.2m
10. Plug: 3.5mm gold pin