CMK2 wireless headphones Cover Letter(s) - FCC ID 2BUP4-CMK2
FCC ID 2BUP4-CMK2
Letter Authorization
wireless headphones
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Document Details
| FCC ID | 2BUP4-CMK2 |
|---|---|
| Document ID | 9107530 |
| Document Type | Cover Letter(s) |
| Description | Letter Authorization |
| Document Title | C5266091_X8_Letter of Authorization_Agent_Letter_v1x |
| Applicant | Chengdu ROSESELSA Technology Co., Ltd. |
| Equipment Class | wireless headphones |
| Product Code | CMK2 |
| Application ID | vLvBOFvLq6jh2mOzVTOh+A== |
| Application Purpose | Original Equipment |
| Application Date | 2026-03-02 |
| Frequency Range | 2402-2480 MHz |
| FRN | 0037952363 |
| Test Firm | Shenzhen DL Testing Technology Co., Ltd. |
| Certified By | Zhao Fei Manager |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Submitted | 2026-03-01 |
| Available | 2026-03-02 |
| Created | 2026-02-27 |
| Modified | 2026-02-27 |
| Pages | 1 |
| File Type | Adobe Acrobat PDF |
| File Size | 154292 |
| File SHA-256 | 487bd01398e1b7f4b449c7e7b39e7a8857f288c7d5a889b68ba62f2259c09a66 |
| PDF Metadata Producer | Microsoft: Print To PDF |
| FCC.gov Sources | FCC.gov 9107530 |
Related FCC Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-03-02 | PDF 1.5 MB |
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| Test report | Test Report | 2026-03-02 | PDF 2.6 MB |
| Attestation Statement | Attestation Statements | 2026-03-02 | PDF 430.9 KB |
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| Confidentiality | Cover Letter(s) | 2026-03-02 | PDF 543.8 KB |
| Letter Authorization | Cover Letter(s) | 2026-03-02 | PDF 150.7 KB |
| MPE | RF Exposure Info | 2026-03-02 | PDF 163.2 KB |
| Block Diagram Metadata only | Block Diagram | PDF 88.2 KB | |
| Schematics Metadata only | Schematics | PDF 107.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 70.2 KB |