| Equipment | Directional Sound Headphone |
| FRN | 0030710818 |
| Grantee Code | 2AZDD |
| Product Code | -BE09 |
| Applicant Business | Guangzhou Langston Electronic Technology Co., Ltd. |
| Business Address | Room 502, Building 4, Phoenix Creative Industry Park, No. 67 North Gongye Avenue, Haizhu District, Guangzhou,N/A China |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| TCB Email | [email protected] |
| Applicant | Xu yanlin – |
| Applicant Phone | |
| Applicant Fax | 18925137065 |
| Applicant Email | [email protected] |
| Applicant MailStop | |
| Test Firm | SLG-CPC TEST LABORATORY CO., LTD. |
| Test Firm Contact | Jason Gao |
| Test Firm Phone | |
| Test Firm Fax | |
| Test Firm Email | [email protected] |
| Certified By | Xu yanlin – |