Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10484524 | Method for switching working mode of headphone and headphone | Hexing Liu, Lei Zhao | 2019-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10484524 | Method for switching working mode of headphone and headphone | Hexing Liu, Lei Zhao | 2019-11-19 |